45+5y-7y+3=50

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Solution for 45+5y-7y+3=50 equation:


Simplifying
45 + 5y + -7y + 3 = 50

Reorder the terms:
45 + 3 + 5y + -7y = 50

Combine like terms: 45 + 3 = 48
48 + 5y + -7y = 50

Combine like terms: 5y + -7y = -2y
48 + -2y = 50

Solving
48 + -2y = 50

Solving for variable 'y'.

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

Add '-48' to each side of the equation.
48 + -48 + -2y = 50 + -48

Combine like terms: 48 + -48 = 0
0 + -2y = 50 + -48
-2y = 50 + -48

Combine like terms: 50 + -48 = 2
-2y = 2

Divide each side by '-2'.
y = -1

Simplifying
y = -1

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