x*2-40=900

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Solution for x*2-40=900 equation:


Simplifying
x * 2 + -40 = 900

Reorder the terms for easier multiplication:
2x + -40 = 900

Reorder the terms:
-40 + 2x = 900

Solving
-40 + 2x = 900

Solving for variable 'x'.

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

Add '40' to each side of the equation.
-40 + 40 + 2x = 900 + 40

Combine like terms: -40 + 40 = 0
0 + 2x = 900 + 40
2x = 900 + 40

Combine like terms: 900 + 40 = 940
2x = 940

Divide each side by '2'.
x = 470

Simplifying
x = 470

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