12+2(15+y)-5=28

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Solution for 12+2(15+y)-5=28 equation:


Simplifying
12 + 2(15 + y) + -5 = 28
12 + (15 * 2 + y * 2) + -5 = 28
12 + (30 + 2y) + -5 = 28

Reorder the terms:
12 + 30 + -5 + 2y = 28

Combine like terms: 12 + 30 = 42
42 + -5 + 2y = 28

Combine like terms: 42 + -5 = 37
37 + 2y = 28

Solving
37 + 2y = 28

Solving for variable 'y'.

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

Add '-37' to each side of the equation.
37 + -37 + 2y = 28 + -37

Combine like terms: 37 + -37 = 0
0 + 2y = 28 + -37
2y = 28 + -37

Combine like terms: 28 + -37 = -9
2y = -9

Divide each side by '2'.
y = -4.5

Simplifying
y = -4.5

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