4(y-3)+3=-(5y-21)+y

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Solution for 4(y-3)+3=-(5y-21)+y equation:


Simplifying
4(y + -3) + 3 = -1(5y + -21) + y

Reorder the terms:
4(-3 + y) + 3 = -1(5y + -21) + y
(-3 * 4 + y * 4) + 3 = -1(5y + -21) + y
(-12 + 4y) + 3 = -1(5y + -21) + y

Reorder the terms:
-12 + 3 + 4y = -1(5y + -21) + y

Combine like terms: -12 + 3 = -9
-9 + 4y = -1(5y + -21) + y

Reorder the terms:
-9 + 4y = -1(-21 + 5y) + y
-9 + 4y = (-21 * -1 + 5y * -1) + y
-9 + 4y = (21 + -5y) + y

Combine like terms: -5y + y = -4y
-9 + 4y = 21 + -4y

Solving
-9 + 4y = 21 + -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.
-9 + 4y + 4y = 21 + -4y + 4y

Combine like terms: 4y + 4y = 8y
-9 + 8y = 21 + -4y + 4y

Combine like terms: -4y + 4y = 0
-9 + 8y = 21 + 0
-9 + 8y = 21

Add '9' to each side of the equation.
-9 + 9 + 8y = 21 + 9

Combine like terms: -9 + 9 = 0
0 + 8y = 21 + 9
8y = 21 + 9

Combine like terms: 21 + 9 = 30
8y = 30

Divide each side by '8'.
y = 3.75

Simplifying
y = 3.75

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