-2x+42=3(x+9)

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Solution for -2x+42=3(x+9) equation:


Simplifying
-2x + 42 = 3(x + 9)

Reorder the terms:
42 + -2x = 3(x + 9)

Reorder the terms:
42 + -2x = 3(9 + x)
42 + -2x = (9 * 3 + x * 3)
42 + -2x = (27 + 3x)

Solving
42 + -2x = 27 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
42 + -2x + -3x = 27 + 3x + -3x

Combine like terms: -2x + -3x = -5x
42 + -5x = 27 + 3x + -3x

Combine like terms: 3x + -3x = 0
42 + -5x = 27 + 0
42 + -5x = 27

Add '-42' to each side of the equation.
42 + -42 + -5x = 27 + -42

Combine like terms: 42 + -42 = 0
0 + -5x = 27 + -42
-5x = 27 + -42

Combine like terms: 27 + -42 = -15
-5x = -15

Divide each side by '-5'.
x = 3

Simplifying
x = 3

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