8x-7+6x=21

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


Simplifying
8x + -7 + 6x = 21

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

Combine like terms: 8x + 6x = 14x
-7 + 14x = 21

Solving
-7 + 14x = 21

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 14x = 21 + 7

Combine like terms: -7 + 7 = 0
0 + 14x = 21 + 7
14x = 21 + 7

Combine like terms: 21 + 7 = 28
14x = 28

Divide each side by '14'.
x = 2

Simplifying
x = 2

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