Answer:
Explanation:
15-2(7-x)=7
15-14+2x=7
1+2x=7
2x=6
x=3
3
15 - 2(7 - x) = 7
collect like terms
-2(7 - x) = 7 - 15
-2(7 - x) = -8
divide both sides by -2
7 - x = -8/-2
7 - x = 4
collect like terns
-x = 4 - 7
-x = -3
dividing both sides by -
x = 3
4.6m questions
6.0m answers