6x-8+7x+3=-21

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Solution for 6x-8+7x+3=-21 equation:


Simplifying
6x + -8 + 7x + 3 = -21

Reorder the terms:
-8 + 3 + 6x + 7x = -21

Combine like terms: -8 + 3 = -5
-5 + 6x + 7x = -21

Combine like terms: 6x + 7x = 13x
-5 + 13x = -21

Solving
-5 + 13x = -21

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 + 13x = -21 + 5

Combine like terms: -5 + 5 = 0
0 + 13x = -21 + 5
13x = -21 + 5

Combine like terms: -21 + 5 = -16
13x = -16

Divide each side by '13'.
x = -1.230769231

Simplifying
x = -1.230769231

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