9-4(2y-1)=45

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Solution for 9-4(2y-1)=45 equation:


Simplifying
9 + -4(2y + -1) = 45

Reorder the terms:
9 + -4(-1 + 2y) = 45
9 + (-1 * -4 + 2y * -4) = 45
9 + (4 + -8y) = 45

Combine like terms: 9 + 4 = 13
13 + -8y = 45

Solving
13 + -8y = 45

Solving for variable 'y'.

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

Add '-13' to each side of the equation.
13 + -13 + -8y = 45 + -13

Combine like terms: 13 + -13 = 0
0 + -8y = 45 + -13
-8y = 45 + -13

Combine like terms: 45 + -13 = 32
-8y = 32

Divide each side by '-8'.
y = -4

Simplifying
y = -4

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