17x+40=21x

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Solution for 17x+40=21x equation:


Simplifying
17x + 40 = 21x

Reorder the terms:
40 + 17x = 21x

Solving
40 + 17x = 21x

Solving for variable 'x'.

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

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

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

Combine like terms: 21x + -21x = 0
40 + -4x = 0

Add '-40' to each side of the equation.
40 + -40 + -4x = 0 + -40

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

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

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

Simplifying
x = 10

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