13x-7=3(4x+5)-8

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Solution for 13x-7=3(4x+5)-8 equation:


Simplifying
13x + -7 = 3(4x + 5) + -8

Reorder the terms:
-7 + 13x = 3(4x + 5) + -8

Reorder the terms:
-7 + 13x = 3(5 + 4x) + -8
-7 + 13x = (5 * 3 + 4x * 3) + -8
-7 + 13x = (15 + 12x) + -8

Reorder the terms:
-7 + 13x = 15 + -8 + 12x

Combine like terms: 15 + -8 = 7
-7 + 13x = 7 + 12x

Solving
-7 + 13x = 7 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-7 + 13x + -12x = 7 + 12x + -12x

Combine like terms: 13x + -12x = 1x
-7 + 1x = 7 + 12x + -12x

Combine like terms: 12x + -12x = 0
-7 + 1x = 7 + 0
-7 + 1x = 7

Add '7' to each side of the equation.
-7 + 7 + 1x = 7 + 7

Combine like terms: -7 + 7 = 0
0 + 1x = 7 + 7
1x = 7 + 7

Combine like terms: 7 + 7 = 14
1x = 14

Divide each side by '1'.
x = 14

Simplifying
x = 14

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