11x-3+42=21x-1

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Solution for 11x-3+42=21x-1 equation:


Simplifying
11x + -3 + 42 = 21x + -1

Reorder the terms:
-3 + 42 + 11x = 21x + -1

Combine like terms: -3 + 42 = 39
39 + 11x = 21x + -1

Reorder the terms:
39 + 11x = -1 + 21x

Solving
39 + 11x = -1 + 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.
39 + 11x + -21x = -1 + 21x + -21x

Combine like terms: 11x + -21x = -10x
39 + -10x = -1 + 21x + -21x

Combine like terms: 21x + -21x = 0
39 + -10x = -1 + 0
39 + -10x = -1

Add '-39' to each side of the equation.
39 + -39 + -10x = -1 + -39

Combine like terms: 39 + -39 = 0
0 + -10x = -1 + -39
-10x = -1 + -39

Combine like terms: -1 + -39 = -40
-10x = -40

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

Simplifying
x = 4

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