12x+7=5x+42

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Solution for 12x+7=5x+42 equation:


Simplifying
12x + 7 = 5x + 42

Reorder the terms:
7 + 12x = 5x + 42

Reorder the terms:
7 + 12x = 42 + 5x

Solving
7 + 12x = 42 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
7 + 12x + -5x = 42 + 5x + -5x

Combine like terms: 12x + -5x = 7x
7 + 7x = 42 + 5x + -5x

Combine like terms: 5x + -5x = 0
7 + 7x = 42 + 0
7 + 7x = 42

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

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

Combine like terms: 42 + -7 = 35
7x = 35

Divide each side by '7'.
x = 5

Simplifying
x = 5

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