Question

Which value of x makes the following equation true?

4.8(x - 4) = -0.2x + 15.8
A. 6
B. 10
C. 7
D. 9

Answer 1

C

Explanation:

multiply through by 10

10{4.8(x-4)} = 10(-0.2x) + 10(15.8)

48(x-4) = -2x + 158

48x - 192 = -2x +158

48x + 2x = 158 + 192

50x = 350

divide through by 50

x=350/50

x=7

therefore, answer = C