40-3x=70

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Solution for 40-3x=70 equation: 


Simplifying
40 + -3x = 70

Solving
40 + -3x = 70

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 + -3x = 70 + -40

Combine like terms: 40 + -40 = 0
0 + -3x = 70 + -40
-3x = 70 + -40

Combine like terms: 70 + -40 = 30
-3x = 30

Divide each side by '-3'.
x = -10

Simplifying
x = -10

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