3 + 7x - (2 + 9x )
3 + 7x - 2 -9x
1-2x
Answer:
Step-by-step explanation:
3+7x-(2-9x)
(if there's a minus in front of parenthesis then you have to change the sign in the parenthesis)
3+7x-2-9x(take out from parenthesis)
1-2x(combine/simplify like terms)
