8x+42=15x+40

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Solution for 8x+42=15x+40 equation:


Simplifying
8x + 42 = 15x + 40

Reorder the terms:
42 + 8x = 15x + 40

Reorder the terms:
42 + 8x = 40 + 15x

Solving
42 + 8x = 40 + 15x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-15x' to each side of the equation.
42 + 8x + -15x = 40 + 15x + -15x

Combine like terms: 8x + -15x = -7x
42 + -7x = 40 + 15x + -15x

Combine like terms: 15x + -15x = 0
42 + -7x = 40 + 0
42 + -7x = 40

Add '-42' to each side of the equation.
42 + -42 + -7x = 40 + -42

Combine like terms: 42 + -42 = 0
0 + -7x = 40 + -42
-7x = 40 + -42

Combine like terms: 40 + -42 = -2
-7x = -2

Divide each side by '-7'.
x = 0.2857142857

Simplifying
x = 0.2857142857

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