(5y+5)-(3+4y)=9

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Solution for (5y+5)-(3+4y)=9 equation:


Simplifying
(5y + 5) + -1(3 + 4y) = 9

Reorder the terms:
(5 + 5y) + -1(3 + 4y) = 9

Remove parenthesis around (5 + 5y)
5 + 5y + -1(3 + 4y) = 9
5 + 5y + (3 * -1 + 4y * -1) = 9
5 + 5y + (-3 + -4y) = 9

Reorder the terms:
5 + -3 + 5y + -4y = 9

Combine like terms: 5 + -3 = 2
2 + 5y + -4y = 9

Combine like terms: 5y + -4y = 1y
2 + 1y = 9

Solving
2 + 1y = 9

Solving for variable 'y'.

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

Add '-2' to each side of the equation.
2 + -2 + 1y = 9 + -2

Combine like terms: 2 + -2 = 0
0 + 1y = 9 + -2
1y = 9 + -2

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

Divide each side by '1'.
y = 7

Simplifying
y = 7

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