-7(7+3x)=-112

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Solution for -7(7+3x)=-112 equation: 


Simplifying
-7(7 + 3x) = -112
(7 * -7 + 3x * -7) = -112
(-49 + -21x) = -112

Solving
-49 + -21x = -112

Solving for variable 'x'.

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

Add '49' to each side of the equation.
-49 + 49 + -21x = -112 + 49

Combine like terms: -49 + 49 = 0
0 + -21x = -112 + 49
-21x = -112 + 49

Combine like terms: -112 + 49 = -63
-21x = -63

Divide each side by '-21'.
x = 3

Simplifying
x = 3

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