6x+40=15x-42

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Solution for 6x+40=15x-42 equation:


Simplifying
6x + 40 = 15x + -42

Reorder the terms:
40 + 6x = 15x + -42

Reorder the terms:
40 + 6x = -42 + 15x

Solving
40 + 6x = -42 + 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.
40 + 6x + -15x = -42 + 15x + -15x

Combine like terms: 6x + -15x = -9x
40 + -9x = -42 + 15x + -15x

Combine like terms: 15x + -15x = 0
40 + -9x = -42 + 0
40 + -9x = -42

Add '-40' to each side of the equation.
40 + -40 + -9x = -42 + -40

Combine like terms: 40 + -40 = 0
0 + -9x = -42 + -40
-9x = -42 + -40

Combine like terms: -42 + -40 = -82
-9x = -82

Divide each side by '-9'.
x = 9.111111111

Simplifying
x = 9.111111111

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