-21(x-8)+3x=-21

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Solution for -21(x-8)+3x=-21 equation:


Simplifying
-21(x + -8) + 3x = -21

Reorder the terms:
-21(-8 + x) + 3x = -21
(-8 * -21 + x * -21) + 3x = -21
(168 + -21x) + 3x = -21

Combine like terms: -21x + 3x = -18x
168 + -18x = -21

Solving
168 + -18x = -21

Solving for variable 'x'.

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

Add '-168' to each side of the equation.
168 + -168 + -18x = -21 + -168

Combine like terms: 168 + -168 = 0
0 + -18x = -21 + -168
-18x = -21 + -168

Combine like terms: -21 + -168 = -189
-18x = -189

Divide each side by '-18'.
x = 10.5

Simplifying
x = 10.5

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