45=y+4y

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Solution for 45=y+4y equation:


Simplifying
45 = y + 4y

Combine like terms: y + 4y = 5y
45 = 5y

Solving
45 = 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
45 + -5y = 5y + -5y

Combine like terms: 5y + -5y = 0
45 + -5y = 0

Add '-45' to each side of the equation.
45 + -45 + -5y = 0 + -45

Combine like terms: 45 + -45 = 0
0 + -5y = 0 + -45
-5y = 0 + -45

Combine like terms: 0 + -45 = -45
-5y = -45

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

Simplifying
y = 9

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