21x-39=10x+49

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Solution for 21x-39=10x+49 equation:


Simplifying
21x + -39 = 10x + 49

Reorder the terms:
-39 + 21x = 10x + 49

Reorder the terms:
-39 + 21x = 49 + 10x

Solving
-39 + 21x = 49 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
-39 + 21x + -10x = 49 + 10x + -10x

Combine like terms: 21x + -10x = 11x
-39 + 11x = 49 + 10x + -10x

Combine like terms: 10x + -10x = 0
-39 + 11x = 49 + 0
-39 + 11x = 49

Add '39' to each side of the equation.
-39 + 39 + 11x = 49 + 39

Combine like terms: -39 + 39 = 0
0 + 11x = 49 + 39
11x = 49 + 39

Combine like terms: 49 + 39 = 88
11x = 88

Divide each side by '11'.
x = 8

Simplifying
x = 8

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