100-7x=38x+20

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Solution for 100-7x=38x+20 equation:


Simplifying
100 + -7x = 38x + 20

Reorder the terms:
100 + -7x = 20 + 38x

Solving
100 + -7x = 20 + 38x

Solving for variable 'x'.

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

Add '-38x' to each side of the equation.
100 + -7x + -38x = 20 + 38x + -38x

Combine like terms: -7x + -38x = -45x
100 + -45x = 20 + 38x + -38x

Combine like terms: 38x + -38x = 0
100 + -45x = 20 + 0
100 + -45x = 20

Add '-100' to each side of the equation.
100 + -100 + -45x = 20 + -100

Combine like terms: 100 + -100 = 0
0 + -45x = 20 + -100
-45x = 20 + -100

Combine like terms: 20 + -100 = -80
-45x = -80

Divide each side by '-45'.
x = 1.777777778

Simplifying
x = 1.777777778

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