5*18+9y=45

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Solution for 5*18+9y=45 equation: 


Simplifying
5 * 18 + 9y = 45

Multiply 5 * 18
90 + 9y = 45

Solving
90 + 9y = 45

Solving for variable 'y'.

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

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

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

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

Divide each side by '9'.
y = -5

Simplifying
y = -5

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