7x-21=-6x

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


Simplifying
7x + -21 = -6x

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

Solving
-21 + 7x = -6x

Solving for variable 'x'.

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

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

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

Combine like terms: -6x + 6x = 0
-21 + 13x = 0

Add '21' to each side of the equation.
-21 + 21 + 13x = 0 + 21

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

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

Divide each side by '13'.
x = 1.615384615

Simplifying
x = 1.615384615

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