-3(10+7x)=-261

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Solution for -3(10+7x)=-261 equation: 


Simplifying
-3(10 + 7x) = -261
(10 * -3 + 7x * -3) = -261
(-30 + -21x) = -261

Solving
-30 + -21x = -261

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + -21x = -261 + 30

Combine like terms: -30 + 30 = 0
0 + -21x = -261 + 30
-21x = -261 + 30

Combine like terms: -261 + 30 = -231
-21x = -231

Divide each side by '-21'.
x = 11

Simplifying
x = 11

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