Question

Match each equation to the value of a that makes the equation true.

2a + 3(a + 1) = 8

2
4
0
1
3

Answer 1

a=1

Explanation:

2a + 3(a + 1) = 8

Distribute

2a +3a +3 = 8

Combine like terms

5a +3 =8

Subtract 3 from each side

5a+3-3=8-3

5a = 5

Divide by 5

5a/5 = 5/5

a=1