Question

which equation is equivalent to
2x + 4a = 10
A. x= 5/4a
B. x= 5 + 2a
C. x= 10 - 4a
D. x=5 - 2a

Answer 1

In all the answers we are solving for x. That means x needs to be by itself.

2x + 4a = 10

Subtract 4a.

2x = 10 - 4a

Divide by 2.

x = 5 - 2a

Answer is....

D. x=5-2a