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

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


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

Reorder the terms:
13x + 7(-7 + -3x) = -63
13x + (-7 * 7 + -3x * 7) = -63
13x + (-49 + -21x) = -63

Reorder the terms:
-49 + 13x + -21x = -63

Combine like terms: 13x + -21x = -8x
-49 + -8x = -63

Solving
-49 + -8x = -63

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 + -8x = -63 + 49

Combine like terms: -49 + 49 = 0
0 + -8x = -63 + 49
-8x = -63 + 49

Combine like terms: -63 + 49 = -14
-8x = -14

Divide each side by '-8'.
x = 1.75

Simplifying
x = 1.75

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