Question

Which linear equation has no solutions?

A. 7x +x+4 = 2 (4x + 2)
B. 3 (3x + 1) = 8x + x
C. 10x + 8 = 5x + 8
D. 5x + 15 = x - x

Answer 1

B

Explanation:

Solve each equation.

A. 7x + x + 4 = 2 (4x + 2)

8x + 4 = 8x + 4

0 = 0

x = all numbers

B. 3 (3x + 1) = 8x + x

9x + 3 = 9x

3 = 0

x = no solution

C. 10x + 8 = 5x + 8

5x = 0

x = 0

D. 5x + 15 = x − x

5x + 15 = 0

x = -3