5y+7=4y+9

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Solution for 5y+7=4y+9 equation:


Simplifying
5y + 7 = 4y + 9

Reorder the terms:
7 + 5y = 4y + 9

Reorder the terms:
7 + 5y = 9 + 4y

Solving
7 + 5y = 9 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
7 + 5y + -4y = 9 + 4y + -4y

Combine like terms: 5y + -4y = 1y
7 + 1y = 9 + 4y + -4y

Combine like terms: 4y + -4y = 0
7 + 1y = 9 + 0
7 + 1y = 9

Add '-7' to each side of the equation.
7 + -7 + 1y = 9 + -7

Combine like terms: 7 + -7 = 0
0 + 1y = 9 + -7
1y = 9 + -7

Combine like terms: 9 + -7 = 2
1y = 2

Divide each side by '1'.
y = 2

Simplifying
y = 2

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