-7(-8-3x)=287

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Solution for -7(-8-3x)=287 equation: 


Simplifying
-7(-8 + -3x) = 287
(-8 * -7 + -3x * -7) = 287
(56 + 21x) = 287

Solving
56 + 21x = 287

Solving for variable 'x'.

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

Add '-56' to each side of the equation.
56 + -56 + 21x = 287 + -56

Combine like terms: 56 + -56 = 0
0 + 21x = 287 + -56
21x = 287 + -56

Combine like terms: 287 + -56 = 231
21x = 231

Divide each side by '21'.
x = 11

Simplifying
x = 11

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