Question

Select the correct answer.

What is the solution of 5/2x-7=3/4x+14?
А.x=-6
В.x=6
C.x=8
D. r= 12

Answer 1

D) x = 12

Explanation:

we can change 5/2 to 10/4 and now have:

10/4x-7 = 3/4x + 14

we can subtract 3/4x from each side:

7/4x-7 = 14

add 7 to each side:

7/4x = 21

multiply each side by 4/7:

x = 84/7

x = 12