5x+40=12x-30

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Solution for 5x+40=12x-30 equation:


Simplifying
5x + 40 = 12x + -30

Reorder the terms:
40 + 5x = 12x + -30

Reorder the terms:
40 + 5x = -30 + 12x

Solving
40 + 5x = -30 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
40 + 5x + -12x = -30 + 12x + -12x

Combine like terms: 5x + -12x = -7x
40 + -7x = -30 + 12x + -12x

Combine like terms: 12x + -12x = 0
40 + -7x = -30 + 0
40 + -7x = -30

Add '-40' to each side of the equation.
40 + -40 + -7x = -30 + -40

Combine like terms: 40 + -40 = 0
0 + -7x = -30 + -40
-7x = -30 + -40

Combine like terms: -30 + -40 = -70
-7x = -70

Divide each side by '-7'.
x = 10

Simplifying
x = 10

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