Answer:
with what?
Step-by-step explanation:
First, set up your equation.
_(x+4)_ = 7
2
multiply both sides by 2 to cross out the 2 on the bottom
_(x+4)_ *2 = 7*2
2
x+4 =14
subtract 4 from both sides
x+4= 14
-4 -4
x=10
Step-by-step explanation:
may be
Last one is correct
Answer:
a = -677.29
Step-by-step explanation:
a/8.9 + 99.7 = 23.6
Minus 99.7 from both sides
a/8.9 = -76.1
and multiply both sides by 8.9
a = -677.29