-7x-30=21-10x

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Solution for -7x-30=21-10x equation:


Simplifying
-7x + -30 = 21 + -10x

Reorder the terms:
-30 + -7x = 21 + -10x

Solving
-30 + -7x = 21 + -10x

Solving for variable 'x'.

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

Add '10x' to each side of the equation.
-30 + -7x + 10x = 21 + -10x + 10x

Combine like terms: -7x + 10x = 3x
-30 + 3x = 21 + -10x + 10x

Combine like terms: -10x + 10x = 0
-30 + 3x = 21 + 0
-30 + 3x = 21

Add '30' to each side of the equation.
-30 + 30 + 3x = 21 + 30

Combine like terms: -30 + 30 = 0
0 + 3x = 21 + 30
3x = 21 + 30

Combine like terms: 21 + 30 = 51
3x = 51

Divide each side by '3'.
x = 17

Simplifying
x = 17

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