-13=-7y+3(y-3)

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Solution for -13=-7y+3(y-3) equation:


Simplifying
-13 = -7y + 3(y + -3)

Reorder the terms:
-13 = -7y + 3(-3 + y)
-13 = -7y + (-3 * 3 + y * 3)
-13 = -7y + (-9 + 3y)

Reorder the terms:
-13 = -9 + -7y + 3y

Combine like terms: -7y + 3y = -4y
-13 = -9 + -4y

Solving
-13 = -9 + -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.
-13 + 4y = -9 + -4y + 4y

Combine like terms: -4y + 4y = 0
-13 + 4y = -9 + 0
-13 + 4y = -9

Add '13' to each side of the equation.
-13 + 13 + 4y = -9 + 13

Combine like terms: -13 + 13 = 0
0 + 4y = -9 + 13
4y = -9 + 13

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

Divide each side by '4'.
y = 1

Simplifying
y = 1

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