3(4.2-3.5x)=8x-7.2

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Solution for 3(4.2-3.5x)=8x-7.2 equation: 


Simplifying
3(4.2 + -3.5x) = 8x + -7.2
(4.2 * 3 + -3.5x * 3) = 8x + -7.2
(12.6 + -10.5x) = 8x + -7.2

Reorder the terms:
12.6 + -10.5x = -7.2 + 8x

Solving
12.6 + -10.5x = -7.2 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
12.6 + -10.5x + -8x = -7.2 + 8x + -8x

Combine like terms: -10.5x + -8x = -18.5x
12.6 + -18.5x = -7.2 + 8x + -8x

Combine like terms: 8x + -8x = 0
12.6 + -18.5x = -7.2 + 0
12.6 + -18.5x = -7.2

Add '-12.6' to each side of the equation.
12.6 + -12.6 + -18.5x = -7.2 + -12.6

Combine like terms: 12.6 + -12.6 = 0.0
0.0 + -18.5x = -7.2 + -12.6
-18.5x = -7.2 + -12.6

Combine like terms: -7.2 + -12.6 = -19.8
-18.5x = -19.8

Divide each side by '-18.5'.
x = 1.07027027

Simplifying
x = 1.07027027

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