-78=3x+2(x-9)

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Solution for -78=3x+2(x-9) equation:


Simplifying
-78 = 3x + 2(x + -9)

Reorder the terms:
-78 = 3x + 2(-9 + x)
-78 = 3x + (-9 * 2 + x * 2)
-78 = 3x + (-18 + 2x)

Reorder the terms:
-78 = -18 + 3x + 2x

Combine like terms: 3x + 2x = 5x
-78 = -18 + 5x

Solving
-78 = -18 + 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.
-78 + -5x = -18 + 5x + -5x

Combine like terms: 5x + -5x = 0
-78 + -5x = -18 + 0
-78 + -5x = -18

Add '78' to each side of the equation.
-78 + 78 + -5x = -18 + 78

Combine like terms: -78 + 78 = 0
0 + -5x = -18 + 78
-5x = -18 + 78

Combine like terms: -18 + 78 = 60
-5x = 60

Divide each side by '-5'.
x = -12

Simplifying
x = -12

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