13x-1=4(3x+4)-15

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Solution for 13x-1=4(3x+4)-15 equation:


Simplifying
13x + -1 = 4(3x + 4) + -15

Reorder the terms:
-1 + 13x = 4(3x + 4) + -15

Reorder the terms:
-1 + 13x = 4(4 + 3x) + -15
-1 + 13x = (4 * 4 + 3x * 4) + -15
-1 + 13x = (16 + 12x) + -15

Reorder the terms:
-1 + 13x = 16 + -15 + 12x

Combine like terms: 16 + -15 = 1
-1 + 13x = 1 + 12x

Solving
-1 + 13x = 1 + 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.
-1 + 13x + -12x = 1 + 12x + -12x

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

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

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

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

Combine like terms: 1 + 1 = 2
1x = 2

Divide each side by '1'.
x = 2

Simplifying
x = 2

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