2(y+30)-7=87

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Solution for 2(y+30)-7=87 equation:


Simplifying
2(y + 30) + -7 = 87

Reorder the terms:
2(30 + y) + -7 = 87
(30 * 2 + y * 2) + -7 = 87
(60 + 2y) + -7 = 87

Reorder the terms:
60 + -7 + 2y = 87

Combine like terms: 60 + -7 = 53
53 + 2y = 87

Solving
53 + 2y = 87

Solving for variable 'y'.

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

Add '-53' to each side of the equation.
53 + -53 + 2y = 87 + -53

Combine like terms: 53 + -53 = 0
0 + 2y = 87 + -53
2y = 87 + -53

Combine like terms: 87 + -53 = 34
2y = 34

Divide each side by '2'.
y = 17

Simplifying
y = 17

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