4-7=5-2y

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Solution for 4-7=5-2y equation:


Simplifying
4 + -7 = 5 + -2y

Combine like terms: 4 + -7 = -3
-3 = 5 + -2y

Solving
-3 = 5 + -2y

Solving for variable 'y'.

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

Add '2y' to each side of the equation.
-3 + 2y = 5 + -2y + 2y

Combine like terms: -2y + 2y = 0
-3 + 2y = 5 + 0
-3 + 2y = 5

Add '3' to each side of the equation.
-3 + 3 + 2y = 5 + 3

Combine like terms: -3 + 3 = 0
0 + 2y = 5 + 3
2y = 5 + 3

Combine like terms: 5 + 3 = 8
2y = 8

Divide each side by '2'.
y = 4

Simplifying
y = 4

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