4x+7.8=2(3x-3.1)

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Solution for 4x+7.8=2(3x-3.1) equation:


Simplifying
4x + 7.8 = 2(3x + -3.1)

Reorder the terms:
7.8 + 4x = 2(3x + -3.1)

Reorder the terms:
7.8 + 4x = 2(-3.1 + 3x)
7.8 + 4x = (-3.1 * 2 + 3x * 2)
7.8 + 4x = (-6.2 + 6x)

Solving
7.8 + 4x = -6.2 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
7.8 + 4x + -6x = -6.2 + 6x + -6x

Combine like terms: 4x + -6x = -2x
7.8 + -2x = -6.2 + 6x + -6x

Combine like terms: 6x + -6x = 0
7.8 + -2x = -6.2 + 0
7.8 + -2x = -6.2

Add '-7.8' to each side of the equation.
7.8 + -7.8 + -2x = -6.2 + -7.8

Combine like terms: 7.8 + -7.8 = 0.0
0.0 + -2x = -6.2 + -7.8
-2x = -6.2 + -7.8

Combine like terms: -6.2 + -7.8 = -14
-2x = -14

Divide each side by '-2'.
x = 7

Simplifying
x = 7

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