-4x+3(-x-7)=63

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Solution for -4x+3(-x-7)=63 equation:


Simplifying
-4x + 3(-1x + -7) = 63

Reorder the terms:
-4x + 3(-7 + -1x) = 63
-4x + (-7 * 3 + -1x * 3) = 63
-4x + (-21 + -3x) = 63

Reorder the terms:
-21 + -4x + -3x = 63

Combine like terms: -4x + -3x = -7x
-21 + -7x = 63

Solving
-21 + -7x = 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 + -7x = 63 + 21

Combine like terms: -21 + 21 = 0
0 + -7x = 63 + 21
-7x = 63 + 21

Combine like terms: 63 + 21 = 84
-7x = 84

Divide each side by '-7'.
x = -12

Simplifying
x = -12

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