3(y-10)=90

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Solution for 3(y-10)=90 equation: 


Simplifying
3(y + -10) = 90

Reorder the terms:
3(-10 + y) = 90
(-10 * 3 + y * 3) = 90
(-30 + 3y) = 90

Solving
-30 + 3y = 90

Solving for variable 'y'.

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

Add '30' to each side of the equation.
-30 + 30 + 3y = 90 + 30

Combine like terms: -30 + 30 = 0
0 + 3y = 90 + 30
3y = 90 + 30

Combine like terms: 90 + 30 = 120
3y = 120

Divide each side by '3'.
y = 40

Simplifying
y = 40

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