2(5y-9)-(6y+3)=

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Solution for 2(5y-9)-(6y+3)= equation:


Simplifying
2(5y + -9) + -1(6y + 3) = 0

Reorder the terms:
2(-9 + 5y) + -1(6y + 3) = 0
(-9 * 2 + 5y * 2) + -1(6y + 3) = 0
(-18 + 10y) + -1(6y + 3) = 0

Reorder the terms:
-18 + 10y + -1(3 + 6y) = 0
-18 + 10y + (3 * -1 + 6y * -1) = 0
-18 + 10y + (-3 + -6y) = 0

Reorder the terms:
-18 + -3 + 10y + -6y = 0

Combine like terms: -18 + -3 = -21
-21 + 10y + -6y = 0

Combine like terms: 10y + -6y = 4y
-21 + 4y = 0

Solving
-21 + 4y = 0

Solving for variable 'y'.

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

Add '21' to each side of the equation.
-21 + 21 + 4y = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 4y = 0 + 21
4y = 0 + 21

Combine like terms: 0 + 21 = 21
4y = 21

Divide each side by '4'.
y = 5.25

Simplifying
y = 5.25

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