13(x+1)-3(2x+6)=-19

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Solution for 13(x+1)-3(2x+6)=-19 equation:


Simplifying
13(x + 1) + -3(2x + 6) = -19

Reorder the terms:
13(1 + x) + -3(2x + 6) = -19
(1 * 13 + x * 13) + -3(2x + 6) = -19
(13 + 13x) + -3(2x + 6) = -19

Reorder the terms:
13 + 13x + -3(6 + 2x) = -19
13 + 13x + (6 * -3 + 2x * -3) = -19
13 + 13x + (-18 + -6x) = -19

Reorder the terms:
13 + -18 + 13x + -6x = -19

Combine like terms: 13 + -18 = -5
-5 + 13x + -6x = -19

Combine like terms: 13x + -6x = 7x
-5 + 7x = -19

Solving
-5 + 7x = -19

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 7x = -19 + 5

Combine like terms: -5 + 5 = 0
0 + 7x = -19 + 5
7x = -19 + 5

Combine like terms: -19 + 5 = -14
7x = -14

Divide each side by '7'.
x = -2

Simplifying
x = -2

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