(4y-9)-(8y-2)=

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Solution for (4y-9)-(8y-2)= equation:


Simplifying
(4y + -9) + -1(8y + -2) = 0

Reorder the terms:
(-9 + 4y) + -1(8y + -2) = 0

Remove parenthesis around (-9 + 4y)
-9 + 4y + -1(8y + -2) = 0

Reorder the terms:
-9 + 4y + -1(-2 + 8y) = 0
-9 + 4y + (-2 * -1 + 8y * -1) = 0
-9 + 4y + (2 + -8y) = 0

Reorder the terms:
-9 + 2 + 4y + -8y = 0

Combine like terms: -9 + 2 = -7
-7 + 4y + -8y = 0

Combine like terms: 4y + -8y = -4y
-7 + -4y = 0

Solving
-7 + -4y = 0

Solving for variable 'y'.

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

Add '7' to each side of the equation.
-7 + 7 + -4y = 0 + 7

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

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

Divide each side by '-4'.
y = -1.75

Simplifying
y = -1.75

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