6x+8=21-7x

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


Simplifying
6x + 8 = 21 + -7x

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

Solving
8 + 6x = 21 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
8 + 6x + 7x = 21 + -7x + 7x

Combine like terms: 6x + 7x = 13x
8 + 13x = 21 + -7x + 7x

Combine like terms: -7x + 7x = 0
8 + 13x = 21 + 0
8 + 13x = 21

Add '-8' to each side of the equation.
8 + -8 + 13x = 21 + -8

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

Combine like terms: 21 + -8 = 13
13x = 13

Divide each side by '13'.
x = 1

Simplifying
x = 1

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