-63=13x+7(-3x-1)

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Solution for -63=13x+7(-3x-1) equation:


Simplifying
-63 = 13x + 7(-3x + -1)

Reorder the terms:
-63 = 13x + 7(-1 + -3x)
-63 = 13x + (-1 * 7 + -3x * 7)
-63 = 13x + (-7 + -21x)

Reorder the terms:
-63 = -7 + 13x + -21x

Combine like terms: 13x + -21x = -8x
-63 = -7 + -8x

Solving
-63 = -7 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
-63 + 8x = -7 + -8x + 8x

Combine like terms: -8x + 8x = 0
-63 + 8x = -7 + 0
-63 + 8x = -7

Add '63' to each side of the equation.
-63 + 63 + 8x = -7 + 63

Combine like terms: -63 + 63 = 0
0 + 8x = -7 + 63
8x = -7 + 63

Combine like terms: -7 + 63 = 56
8x = 56

Divide each side by '8'.
x = 7

Simplifying
x = 7

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