show me step by step PLZ
2006-10-08 13:19:03 · 3 answers · asked by Karen 1 in Education & Reference ➔ Homework Help
6t-3=21
2m+7=15
8-1.2y=2
2006-10-08 13:56:50 · update #1
1.-- 6t-3=21
2.-- 2m+7=15
3.-- 8-1.2y=2
1. you want to get the variable, t, by itself.
to do this, you add 3 to both sides. (ALWAYS REMEMBER,,,WHAT YOU DO TO ONE SIDE, YOU MUST DO TO THE OTHER)
so 6t=24
then to get t alone again, divide both sides by 6
t-4
2. 2m+7=15
-7 -7
2m=6
m=3
3. 8-1.2y=2
-8 -8
-1.2y= -6
divide both sides by -1.2
y=-5
2006-10-08 16:16:48 · answer #1 · answered by mikeg62484 1 · 0⤊ 0⤋
Say you have 2x+2=6
To solve it, you want to get x by itself
First you substract 2 from BOTH sides and you should get 2x=4
Next you want to divide BOTH sides from 2 and your final answer should be X=2.
Hope my example helps! If you need more help figuring out how to do two step equations I recommend going to this website below, it is an interactive demonstration. ;-)
2006-10-08 20:28:00 · answer #2 · answered by Jen 2 · 0⤊ 0⤋
there are several types of two step equations
can you be a little more specific
2006-10-08 20:26:22 · answer #3 · answered by Sasha 3 · 0⤊ 0⤋