21=-5x+4x+10

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Solution for 21=-5x+4x+10 equation:


Simplifying
21 = -5x + 4x + 10

Reorder the terms:
21 = 10 + -5x + 4x

Combine like terms: -5x + 4x = -1x
21 = 10 + -1x

Solving
21 = 10 + -1x

Solving for variable 'x'.

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

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

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

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

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

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

Simplifying
x = -11

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