Question

Solve 4 + 1.8x = 8 (1 + 0.1x)

Answer 1

Answer: x=4

Distribute
4+1.8x=8+0.8x
Move terms
4+1.8x-0.8x=8
Collect liketerms
x=8-4
x=4

Answer 2

Answer: x = 4

Explanation:

Given:

4 + 1.8x = 8 (1 + 0.1x)

Distribute:

4 + 1.8x = 8 + 0.8x

Subtract 0.8x and 4 from both sides of the equation:

1x = 4

Divide both sides of the equation by 1:

x = 4