y-2(3y-5)=4(7-y)-9

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Solution for y-2(3y-5)=4(7-y)-9 equation:


Simplifying
y + -2(3y + -5) = 4(7 + -1y) + -9

Reorder the terms:
y + -2(-5 + 3y) = 4(7 + -1y) + -9
y + (-5 * -2 + 3y * -2) = 4(7 + -1y) + -9
y + (10 + -6y) = 4(7 + -1y) + -9

Reorder the terms:
10 + y + -6y = 4(7 + -1y) + -9

Combine like terms: y + -6y = -5y
10 + -5y = 4(7 + -1y) + -9
10 + -5y = (7 * 4 + -1y * 4) + -9
10 + -5y = (28 + -4y) + -9

Reorder the terms:
10 + -5y = 28 + -9 + -4y

Combine like terms: 28 + -9 = 19
10 + -5y = 19 + -4y

Solving
10 + -5y = 19 + -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.
10 + -5y + 4y = 19 + -4y + 4y

Combine like terms: -5y + 4y = -1y
10 + -1y = 19 + -4y + 4y

Combine like terms: -4y + 4y = 0
10 + -1y = 19 + 0
10 + -1y = 19

Add '-10' to each side of the equation.
10 + -10 + -1y = 19 + -10

Combine like terms: 10 + -10 = 0
0 + -1y = 19 + -10
-1y = 19 + -10

Combine like terms: 19 + -10 = 9
-1y = 9

Divide each side by '-1'.
y = -9

Simplifying
y = -9

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