400-1x=70

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Solution for 400-1x=70 equation: 


Simplifying
400 + -1x = 70

Solving
400 + -1x = 70

Solving for variable 'x'.

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

Add '-400' to each side of the equation.
400 + -400 + -1x = 70 + -400

Combine like terms: 400 + -400 = 0
0 + -1x = 70 + -400
-1x = 70 + -400

Combine like terms: 70 + -400 = -330
-1x = -330

Divide each side by '-1'.
x = 330

Simplifying
x = 330

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