(90-x).3=180-x

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Solution for (90-x).3=180-x equation:


Simplifying
(90 + -1x) * 0.3 = 180 + -1x

Reorder the terms for easier multiplication:
0.3(90 + -1x) = 180 + -1x
(90 * 0.3 + -1x * 0.3) = 180 + -1x
(27 + -0.3x) = 180 + -1x

Solving
27 + -0.3x = 180 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
27 + -0.3x + x = 180 + -1x + x

Combine like terms: -0.3x + x = 0.7x
27 + 0.7x = 180 + -1x + x

Combine like terms: -1x + x = 0
27 + 0.7x = 180 + 0
27 + 0.7x = 180

Add '-27' to each side of the equation.
27 + -27 + 0.7x = 180 + -27

Combine like terms: 27 + -27 = 0
0 + 0.7x = 180 + -27
0.7x = 180 + -27

Combine like terms: 180 + -27 = 153
0.7x = 153

Divide each side by '0.7'.
x = 218.5714286

Simplifying
x = 218.5714286

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