12x+5=7x+40

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Solution for 12x+5=7x+40 equation:


Simplifying
12x + 5 = 7x + 40

Reorder the terms:
5 + 12x = 7x + 40

Reorder the terms:
5 + 12x = 40 + 7x

Solving
5 + 12x = 40 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
5 + 12x + -7x = 40 + 7x + -7x

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

Combine like terms: 7x + -7x = 0
5 + 5x = 40 + 0
5 + 5x = 40

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

Combine like terms: 5 + -5 = 0
0 + 5x = 40 + -5
5x = 40 + -5

Combine like terms: 40 + -5 = 35
5x = 35

Divide each side by '5'.
x = 7

Simplifying
x = 7

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