13x+5+8x+7=

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Solution for 13x+5+8x+7= equation:


Simplifying
13x + 5 + 8x + 7 = 0

Reorder the terms:
5 + 7 + 13x + 8x = 0

Combine like terms: 5 + 7 = 12
12 + 13x + 8x = 0

Combine like terms: 13x + 8x = 21x
12 + 21x = 0

Solving
12 + 21x = 0

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 21x = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 21x = 0 + -12
21x = 0 + -12

Combine like terms: 0 + -12 = -12
21x = -12

Divide each side by '21'.
x = -0.5714285714

Simplifying
x = -0.5714285714

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