3(y-7)=4y-1

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


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

Reorder the terms:
3(-7 + y) = 4y + -1
(-7 * 3 + y * 3) = 4y + -1
(-21 + 3y) = 4y + -1

Reorder the terms:
-21 + 3y = -1 + 4y

Solving
-21 + 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.
-21 + 3y + -4y = -1 + 4y + -4y

Combine like terms: 3y + -4y = -1y
-21 + -1y = -1 + 4y + -4y

Combine like terms: 4y + -4y = 0
-21 + -1y = -1 + 0
-21 + -1y = -1

Add '21' to each side of the equation.
-21 + 21 + -1y = -1 + 21

Combine like terms: -21 + 21 = 0
0 + -1y = -1 + 21
-1y = -1 + 21

Combine like terms: -1 + 21 = 20
-1y = 20

Divide each side by '-1'.
y = -20

Simplifying
y = -20

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