79=39+3x+x

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Solution for 79=39+3x+x equation:


Simplifying
79 = 39 + 3x + x

Combine like terms: 3x + x = 4x
79 = 39 + 4x

Solving
79 = 39 + 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.
79 + -4x = 39 + 4x + -4x

Combine like terms: 4x + -4x = 0
79 + -4x = 39 + 0
79 + -4x = 39

Add '-79' to each side of the equation.
79 + -79 + -4x = 39 + -79

Combine like terms: 79 + -79 = 0
0 + -4x = 39 + -79
-4x = 39 + -79

Combine like terms: 39 + -79 = -40
-4x = -40

Divide each side by '-4'.
x = 10

Simplifying
x = 10

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