30-10-3x=90

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Solution for 30-10-3x=90 equation:


Simplifying
30 + -10 + -3x = 90

Combine like terms: 30 + -10 = 20
20 + -3x = 90

Solving
20 + -3x = 90

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + -3x = 90 + -20

Combine like terms: 20 + -20 = 0
0 + -3x = 90 + -20
-3x = 90 + -20

Combine like terms: 90 + -20 = 70
-3x = 70

Divide each side by '-3'.
x = -23.33333333

Simplifying
x = -23.33333333

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