Question

What is the solution of 2.5a + 12 = 5a?

Answer 1

=4.7

Explanation:

(2.5)a+12=59

(2×5)a+12=59

10a+12=59-12( take 12 to the other side the sign changes)

10a=47

divide..47÷10

a=4.7

Answer 2

a=4.8

Explanation:

5a-2.5a=12

2.5a=12

a=12÷2.5

a=4.8