21x=-40+17x

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Solution for 21x=-40+17x equation: 


Simplifying
21x = -40 + 17x

Solving
21x = -40 + 17x

Solving for variable 'x'.

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

Add '-17x' to each side of the equation.
21x + -17x = -40 + 17x + -17x

Combine like terms: 21x + -17x = 4x
4x = -40 + 17x + -17x

Combine like terms: 17x + -17x = 0
4x = -40 + 0
4x = -40

Divide each side by '4'.
x = -10

Simplifying
x = -10

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