42x-84+21x+42=13x+26x-26

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Solution for 42x-84+21x+42=13x+26x-26 equation:


Simplifying
42x + -84 + 21x + 42 = 13x + 26x + -26

Reorder the terms:
-84 + 42 + 42x + 21x = 13x + 26x + -26

Combine like terms: -84 + 42 = -42
-42 + 42x + 21x = 13x + 26x + -26

Combine like terms: 42x + 21x = 63x
-42 + 63x = 13x + 26x + -26

Reorder the terms:
-42 + 63x = -26 + 13x + 26x

Combine like terms: 13x + 26x = 39x
-42 + 63x = -26 + 39x

Solving
-42 + 63x = -26 + 39x

Solving for variable 'x'.

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

Add '-39x' to each side of the equation.
-42 + 63x + -39x = -26 + 39x + -39x

Combine like terms: 63x + -39x = 24x
-42 + 24x = -26 + 39x + -39x

Combine like terms: 39x + -39x = 0
-42 + 24x = -26 + 0
-42 + 24x = -26

Add '42' to each side of the equation.
-42 + 42 + 24x = -26 + 42

Combine like terms: -42 + 42 = 0
0 + 24x = -26 + 42
24x = -26 + 42

Combine like terms: -26 + 42 = 16
24x = 16

Divide each side by '24'.
x = 0.6666666667

Simplifying
x = 0.6666666667

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