-7x+21(-x-18)=-108

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Solution for -7x+21(-x-18)=-108 equation:


Simplifying
-7x + 21(-1x + -18) = -108

Reorder the terms:
-7x + 21(-18 + -1x) = -108
-7x + (-18 * 21 + -1x * 21) = -108
-7x + (-378 + -21x) = -108

Reorder the terms:
-378 + -7x + -21x = -108

Combine like terms: -7x + -21x = -28x
-378 + -28x = -108

Solving
-378 + -28x = -108

Solving for variable 'x'.

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

Add '378' to each side of the equation.
-378 + 378 + -28x = -108 + 378

Combine like terms: -378 + 378 = 0
0 + -28x = -108 + 378
-28x = -108 + 378

Combine like terms: -108 + 378 = 270
-28x = 270

Divide each side by '-28'.
x = -9.642857143

Simplifying
x = -9.642857143

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