Question

2 = 10c – 4(2c – 9)
Solve the equation. Check your solution.

Answer 1

c= -17

Explanation:

2=10c-8c+36

2=2c+36

-34=2c

c= -17

Check:

2=10(-17)-4[2(-17)-9]

2= -170-4(-34-9)

2= -170+136+36

2=2