two step equations
2007-06-26 23:10:34 · 16 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
3x - 5 = 16
Transpose 5
3x - 5 + 5 = 16 + 5
3x = 21
Divide both sides of the equation by 3
3x / 3 = 21 / 3
x = 21 / 3
x = 7
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2007-06-27 02:02:28 · answer #1 · answered by SAMUEL D 7 · 1⤊ 2⤋
Never seen so easy Ques
x=(16+5)/3
x=21/3=7
2007-06-27 00:02:19 · answer #2 · answered by Anonymous · 1⤊ 0⤋
3x -5 = 16
3x = 16 + 5 = 21
x = 21/3 = 7
2007-06-26 23:45:37 · answer #3 · answered by Anonymous · 0⤊ 0⤋
3 times x = 16. All you have to do is and 5 to 16=21 then divide by 3 =7 so 3x7=21-5=16
2007-06-27 02:39:51 · answer #4 · answered by Anonymous · 0⤊ 0⤋
method 1.
3x-5= 16
3x=16+5
x=21/3
x=7
method 2,
add 5on both sides & divide both sides by 3
i.e.,
3x-5+5=16+5
3x/3=21/3
x=7
method 3.
assume x=1
3(1)-5not equal to 16
so x=2
3(2)-5not equal to 16
likewise x=3,4,5,6,7
where x=7
3(7)-5=16
so x=7
2007-06-27 00:28:02 · answer #5 · answered by Anonymous · 0⤊ 0⤋
add 5 to both sides
3x (+5 -5) = 16 +5
3x = 21
divide both sides by three
3x/3 = 21/3
x = 7
2007-06-26 23:19:50 · answer #6 · answered by Anonymous · 1⤊ 0⤋
Start by adding 5 to both sides:
3x = 16 + 5 = 21
Now divide both sides by 3:
x = 21/3 = 7
So x is 7.
2007-06-26 23:18:25 · answer #7 · answered by Chasiufan 4 · 0⤊ 0⤋
x=(16+5)/3
x=7
2007-06-26 23:14:46 · answer #8 · answered by LENNONLNX0618 2 · 0⤊ 0⤋
3x - 5 = 16
3x = 16+5
3x =21
x = 7
:)
2007-06-26 23:56:12 · answer #9 · answered by Buttons 3 · 0⤊ 0⤋
Answers with Solutions
Qns. 1:
3x = 16 + 5
3x = 21
x = 7
Hope This Solutions Will Help In Answering Your Questions ;)
G0n9 G0n9â¢
Mathematician
2007-06-26 23:19:15 · answer #10 · answered by Kelvin 2 · 0⤊ 1⤋