-3(7+7x)=63

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


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

Solving
-21 + -21x = 63

Solving for variable 'x'.

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

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

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

Combine like terms: 63 + 21 = 84
-21x = 84

Divide each side by '-21'.
x = -4

Simplifying
x = -4

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