3y+45-7=y-28

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Solution for 3y+45-7=y-28 equation:


Simplifying
3y + 45 + -7 = y + -28

Reorder the terms:
45 + -7 + 3y = y + -28

Combine like terms: 45 + -7 = 38
38 + 3y = y + -28

Reorder the terms:
38 + 3y = -28 + y

Solving
38 + 3y = -28 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
38 + 3y + -1y = -28 + y + -1y

Combine like terms: 3y + -1y = 2y
38 + 2y = -28 + y + -1y

Combine like terms: y + -1y = 0
38 + 2y = -28 + 0
38 + 2y = -28

Add '-38' to each side of the equation.
38 + -38 + 2y = -28 + -38

Combine like terms: 38 + -38 = 0
0 + 2y = -28 + -38
2y = -28 + -38

Combine like terms: -28 + -38 = -66
2y = -66

Divide each side by '2'.
y = -33

Simplifying
y = -33

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