100.39=28.99+49.99+2x

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Solution for 100.39=28.99+49.99+2x equation:


Simplifying
100.39 = 28.99 + 49.99 + 2x

Combine like terms: 28.99 + 49.99 = 78.98
100.39 = 78.98 + 2x

Solving
100.39 = 78.98 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
100.39 + -2x = 78.98 + 2x + -2x

Combine like terms: 2x + -2x = 0
100.39 + -2x = 78.98 + 0
100.39 + -2x = 78.98

Add '-100.39' to each side of the equation.
100.39 + -100.39 + -2x = 78.98 + -100.39

Combine like terms: 100.39 + -100.39 = 0.00
0.00 + -2x = 78.98 + -100.39
-2x = 78.98 + -100.39

Combine like terms: 78.98 + -100.39 = -21.41
-2x = -21.41

Divide each side by '-2'.
x = 10.705

Simplifying
x = 10.705

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