3(3x+4)-7=13(x+1)

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Solution for 3(3x+4)-7=13(x+1) equation:


Simplifying
3(3x + 4) + -7 = 13(x + 1)

Reorder the terms:
3(4 + 3x) + -7 = 13(x + 1)
(4 * 3 + 3x * 3) + -7 = 13(x + 1)
(12 + 9x) + -7 = 13(x + 1)

Reorder the terms:
12 + -7 + 9x = 13(x + 1)

Combine like terms: 12 + -7 = 5
5 + 9x = 13(x + 1)

Reorder the terms:
5 + 9x = 13(1 + x)
5 + 9x = (1 * 13 + x * 13)
5 + 9x = (13 + 13x)

Solving
5 + 9x = 13 + 13x

Solving for variable 'x'.

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

Add '-13x' to each side of the equation.
5 + 9x + -13x = 13 + 13x + -13x

Combine like terms: 9x + -13x = -4x
5 + -4x = 13 + 13x + -13x

Combine like terms: 13x + -13x = 0
5 + -4x = 13 + 0
5 + -4x = 13

Add '-5' to each side of the equation.
5 + -5 + -4x = 13 + -5

Combine like terms: 5 + -5 = 0
0 + -4x = 13 + -5
-4x = 13 + -5

Combine like terms: 13 + -5 = 8
-4x = 8

Divide each side by '-4'.
x = -2

Simplifying
x = -2

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