42=5x+12

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Solution for 42=5x+12 equation:


Simplifying
42 = 5x + 12

Reorder the terms:
42 = 12 + 5x

Solving
42 = 12 + 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.
42 + -5x = 12 + 5x + -5x

Combine like terms: 5x + -5x = 0
42 + -5x = 12 + 0
42 + -5x = 12

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

Combine like terms: 42 + -42 = 0
0 + -5x = 12 + -42
-5x = 12 + -42

Combine like terms: 12 + -42 = -30
-5x = -30

Divide each side by '-5'.
x = 6

Simplifying
x = 6

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