Question

If 5x - 6 equals 10, what is the value of 10x -12?

Answer 1

20

Explanation:

5x-6=10

-6+6 10+6

5x=16

5/5 16/5

x=3.2

10(3.2)-12

32-12

20

Answer 2

20

Explanation:

First solve the first equation:

5x-6=10

+6 +6

5x/5=16/5

x=3.2

Then apply the value of x to the current equation:

10 *3.2-12

=20