18-2(21-y)+5=52

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Solution for 18-2(21-y)+5=52 equation:


Simplifying
18 + -2(21 + -1y) + 5 = 52
18 + (21 * -2 + -1y * -2) + 5 = 52
18 + (-42 + 2y) + 5 = 52

Reorder the terms:
18 + -42 + 5 + 2y = 52

Combine like terms: 18 + -42 = -24
-24 + 5 + 2y = 52

Combine like terms: -24 + 5 = -19
-19 + 2y = 52

Solving
-19 + 2y = 52

Solving for variable 'y'.

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

Add '19' to each side of the equation.
-19 + 19 + 2y = 52 + 19

Combine like terms: -19 + 19 = 0
0 + 2y = 52 + 19
2y = 52 + 19

Combine like terms: 52 + 19 = 71
2y = 71

Divide each side by '2'.
y = 35.5

Simplifying
y = 35.5

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