9-(3y-7)=1-4y

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Solution for 9-(3y-7)=1-4y equation:


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

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

Combine like terms: 9 + 7 = 16
16 + -3y = 1 + -4y

Solving
16 + -3y = 1 + -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.
16 + -3y + 4y = 1 + -4y + 4y

Combine like terms: -3y + 4y = 1y
16 + 1y = 1 + -4y + 4y

Combine like terms: -4y + 4y = 0
16 + 1y = 1 + 0
16 + 1y = 1

Add '-16' to each side of the equation.
16 + -16 + 1y = 1 + -16

Combine like terms: 16 + -16 = 0
0 + 1y = 1 + -16
1y = 1 + -16

Combine like terms: 1 + -16 = -15
1y = -15

Divide each side by '1'.
y = -15

Simplifying
y = -15

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