-3(3+7x)=-30

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Solution for -3(3+7x)=-30 equation: 


Simplifying
-3(3 + 7x) = -30
(3 * -3 + 7x * -3) = -30
(-9 + -21x) = -30

Solving
-9 + -21x = -30

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + -21x = -30 + 9

Combine like terms: -9 + 9 = 0
0 + -21x = -30 + 9
-21x = -30 + 9

Combine like terms: -30 + 9 = -21
-21x = -21

Divide each side by '-21'.
x = 1

Simplifying
x = 1

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