78=2x-4+2x+3

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Solution for 78=2x-4+2x+3 equation:


Simplifying
78 = 2x + -4 + 2x + 3

Reorder the terms:
78 = -4 + 3 + 2x + 2x

Combine like terms: -4 + 3 = -1
78 = -1 + 2x + 2x

Combine like terms: 2x + 2x = 4x
78 = -1 + 4x

Solving
78 = -1 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
78 + -4x = -1 + 4x + -4x

Combine like terms: 4x + -4x = 0
78 + -4x = -1 + 0
78 + -4x = -1

Add '-78' to each side of the equation.
78 + -78 + -4x = -1 + -78

Combine like terms: 78 + -78 = 0
0 + -4x = -1 + -78
-4x = -1 + -78

Combine like terms: -1 + -78 = -79
-4x = -79

Divide each side by '-4'.
x = 19.75

Simplifying
x = 19.75

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