4.2(2x-4)+x=7

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Solution for 4.2(2x-4)+x=7 equation: 


Simplifying
4.2(2x + -4) + x = 7

Reorder the terms:
4.2(-4 + 2x) + x = 7
(-4 * 4.2 + 2x * 4.2) + x = 7
(-16.8 + 8.4x) + x = 7

Combine like terms: 8.4x + x = 9.4x
-16.8 + 9.4x = 7

Solving
-16.8 + 9.4x = 7

Solving for variable 'x'.

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

Add '16.8' to each side of the equation.
-16.8 + 16.8 + 9.4x = 7 + 16.8

Combine like terms: -16.8 + 16.8 = 0.0
0.0 + 9.4x = 7 + 16.8
9.4x = 7 + 16.8

Combine like terms: 7 + 16.8 = 23.8
9.4x = 23.8

Divide each side by '9.4'.
x = 2.531914894

Simplifying
x = 2.531914894

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