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

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


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

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

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

Solving
-7 + 13x + -21y = -63

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 13x + 7 + -21y = -63 + 7

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

Combine like terms: -7 + 7 = 0
0 + 13x + -21y = -63 + 7
13x + -21y = -63 + 7

Combine like terms: -63 + 7 = -56
13x + -21y = -56

Add '21y' to each side of the equation.
13x + -21y + 21y = -56 + 21y

Combine like terms: -21y + 21y = 0
13x + 0 = -56 + 21y
13x = -56 + 21y

Divide each side by '13'.
x = -4.307692308 + 1.615384615y

Simplifying
x = -4.307692308 + 1.615384615y

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