7(-9-3x)=-63

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Solution for 7(-9-3x)=-63 equation: 


Simplifying
7(-9 + -3x) = -63
(-9 * 7 + -3x * 7) = -63
(-63 + -21x) = -63

Add '63' to each side of the equation.
-63 + 63 + -21x = -63 + 63

Combine like terms: -63 + 63 = 0
0 + -21x = -63 + 63
-21x = -63 + 63

Combine like terms: -63 + 63 = 0
-21x = 0

Solving
-21x = 0

Solving for variable 'x'.

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

Divide each side by '-21'.
x = 0

Simplifying
x = 0

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