4.2(x+8.7)=8.7x

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Solution for 4.2(x+8.7)=8.7x equation: 


Simplifying
4.2(x + 8.7) = 8.7x

Reorder the terms:
4.2(8.7 + x) = 8.7x
(8.7 * 4.2 + x * 4.2) = 8.7x
(36.54 + 4.2x) = 8.7x

Solving
36.54 + 4.2x = 8.7x

Solving for variable 'x'.

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

Add '-8.7x' to each side of the equation.
36.54 + 4.2x + -8.7x = 8.7x + -8.7x

Combine like terms: 4.2x + -8.7x = -4.5x
36.54 + -4.5x = 8.7x + -8.7x

Combine like terms: 8.7x + -8.7x = 0.0
36.54 + -4.5x = 0.0

Add '-36.54' to each side of the equation.
36.54 + -36.54 + -4.5x = 0.0 + -36.54

Combine like terms: 36.54 + -36.54 = 0.00
0.00 + -4.5x = 0.0 + -36.54
-4.5x = 0.0 + -36.54

Combine like terms: 0.0 + -36.54 = -36.54
-4.5x = -36.54

Divide each side by '-4.5'.
x = 8.12

Simplifying
x = 8.12

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