x+x+3+2x-5=78

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Solution for x+x+3+2x-5=78 equation: 


Simplifying
x + x + 3 + 2x + -5 = 78

Reorder the terms:
3 + -5 + x + x + 2x = 78

Combine like terms: 3 + -5 = -2
-2 + x + x + 2x = 78

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

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

Solving
-2 + 4x = 78

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 4x = 78 + 2

Combine like terms: -2 + 2 = 0
0 + 4x = 78 + 2
4x = 78 + 2

Combine like terms: 78 + 2 = 80
4x = 80

Divide each side by '4'.
x = 20

Simplifying
x = 20

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