7y-2y-5=45

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Solution for 7y-2y-5=45 equation:


Simplifying
7y + -2y + -5 = 45

Reorder the terms:
-5 + 7y + -2y = 45

Combine like terms: 7y + -2y = 5y
-5 + 5y = 45

Solving
-5 + 5y = 45

Solving for variable 'y'.

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

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

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

Combine like terms: 45 + 5 = 50
5y = 50

Divide each side by '5'.
y = 10

Simplifying
y = 10

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