7-4y=4-5y

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


Simplifying
7 + -4y = 4 + -5y

Solving
7 + -4y = 4 + -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.
7 + -4y + 5y = 4 + -5y + 5y

Combine like terms: -4y + 5y = 1y
7 + 1y = 4 + -5y + 5y

Combine like terms: -5y + 5y = 0
7 + 1y = 4 + 0
7 + 1y = 4

Add '-7' to each side of the equation.
7 + -7 + 1y = 4 + -7

Combine like terms: 7 + -7 = 0
0 + 1y = 4 + -7
1y = 4 + -7

Combine like terms: 4 + -7 = -3
1y = -3

Divide each side by '1'.
y = -3

Simplifying
y = -3

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