-3x-21=-4x-10

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Solution for -3x-21=-4x-10 equation:


Simplifying
-3x + -21 = -4x + -10

Reorder the terms:
-21 + -3x = -4x + -10

Reorder the terms:
-21 + -3x = -10 + -4x

Solving
-21 + -3x = -10 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
-21 + -3x + 4x = -10 + -4x + 4x

Combine like terms: -3x + 4x = 1x
-21 + 1x = -10 + -4x + 4x

Combine like terms: -4x + 4x = 0
-21 + 1x = -10 + 0
-21 + 1x = -10

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

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

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

Divide each side by '1'.
x = 11

Simplifying
x = 11

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