HELP!!! how do i solve it???
2007-09-13 09:28:15 · 12 answers · asked by meee 2 in Science & Mathematics ➔ Mathematics
7a - 4a = 6 + 3
3a = 9
a = 3
2007-09-14 06:14:58 · answer #1 · answered by Como 7 · 3⤊ 1⤋
Move anything with a A to one side and when you move it over change the signs. Then move the numbers to the otherside. so it looks like this
7a -3 = 4a + 6
1.) 7a - 4a = 6 + 3 Notice how the signs change when I move it to the other side of the equal sign.
2.) 3a = 9 Then add the like values together
3.) a = 3 Divide both side to get (a) by itself.
There you go To double check if a is correct put the value of (a) back into the orginal formula
7(3) - 3 = 4(3) + 6
21 - 3 = 12 + 6
18 = 18 So if they equal then that means your answer is right
2007-09-13 16:39:16 · answer #2 · answered by faifai143 2 · 0⤊ 1⤋
7a-3=4a+6
subtract 4a from both sides
3a-3=6
add 3 to both sides
3a=9
divide both sides by 3
a=3
then check answer
(7*3)-3=(4*3)+6
2007-09-13 16:33:17 · answer #3 · answered by Sunburned:( 3 · 0⤊ 1⤋
you subtract 4a from 7a and then you add 3 to six to get a problem that looks like this: 3a = 9. and then you divide 3a and 9 by 3 to get the answer of a =3.
2007-09-13 16:38:35 · answer #4 · answered by Anonymous · 0⤊ 1⤋
7a - 3 = 4a + 6
7a - 4a = 6 + 3
3a = 9
3a/3 = 9/3
a=3
2007-09-13 16:37:13 · answer #5 · answered by windy288 6 · 0⤊ 1⤋
7a - 3 = 4a + 6
7a - 4a = 6 + 3
3a = 9
a = 9/3 = 3
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2007-09-13 16:40:29 · answer #6 · answered by Joymash 6 · 0⤊ 2⤋
first u have to get a by itself so u have to add 3 to both sides which makes it 7a=4a+9. then u have to combine like #s so subtract 4a to both sides and u get 3a=9. then divide 9 by 3 and u get a=3.
2007-09-13 16:38:11 · answer #7 · answered by Fenix 2 · 0⤊ 1⤋
7a - 3 = 4a + 6
Add 3 to both sides..
7a = 4a + 9
Subtract 4a from both sides..
3a = 9
Divide both sides by 3..
a = 3
2007-09-13 16:32:30 · answer #8 · answered by patrickkonsor 2 · 0⤊ 1⤋
Hi,
For this question, we need to get the variable a on one side of the equation and the constant terms on the other.
First Step: Add 3 to both sides to move constant term to keep constants on right side:
7a = 4a + 9
Second Step: Subtract 4a from both sides of the equation to get a on one side of the equation
3a = 9
Next, divide by 3 on both sides of the equation since that will undo the multiplication operation present to get:
a = 3 <==== FINAL ANSWER
I hope that helps you out! Please let me know if you have any other questions!
Sincerely,
Andrew
2007-09-13 16:36:02 · answer #9 · answered by Anonymous 4 · 0⤊ 1⤋
7a-3 = 4a + 6
or 7a-4a = 6 + 3
or 3a = 9
or a = 9 divided by 3
or a = 3
u must put all the a coefficients in one side and numerals in one side.
2007-09-13 16:37:34 · answer #10 · answered by Anonymous · 0⤊ 1⤋