5*9+9y=90

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Solution for 5*9+9y=90 equation: 


Simplifying
5 * 9 + 9y = 90

Multiply 5 * 9
45 + 9y = 90

Solving
45 + 9y = 90

Solving for variable 'y'.

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

Add '-45' to each side of the equation.
45 + -45 + 9y = 90 + -45

Combine like terms: 45 + -45 = 0
0 + 9y = 90 + -45
9y = 90 + -45

Combine like terms: 90 + -45 = 45
9y = 45

Divide each side by '9'.
y = 5

Simplifying
y = 5

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