10+6x-7x=21

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Solution for 10+6x-7x=21 equation: 


Simplifying
10 + 6x + -7x = 21

Combine like terms: 6x + -7x = -1x
10 + -1x = 21

Solving
10 + -1x = 21

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + -1x = 21 + -10

Combine like terms: 10 + -10 = 0
0 + -1x = 21 + -10
-1x = 21 + -10

Combine like terms: 21 + -10 = 11
-1x = 11

Divide each side by '-1'.
x = -11

Simplifying
x = -11

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