(y+21)+(y+48)=168

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Solution for (y+21)+(y+48)=168 equation:


Simplifying
(y + 21) + (y + 48) = 168

Reorder the terms:
(21 + y) + (y + 48) = 168

Remove parenthesis around (21 + y)
21 + y + (y + 48) = 168

Reorder the terms:
21 + y + (48 + y) = 168

Remove parenthesis around (48 + y)
21 + y + 48 + y = 168

Reorder the terms:
21 + 48 + y + y = 168

Combine like terms: 21 + 48 = 69
69 + y + y = 168

Combine like terms: y + y = 2y
69 + 2y = 168

Solving
69 + 2y = 168

Solving for variable 'y'.

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

Add '-69' to each side of the equation.
69 + -69 + 2y = 168 + -69

Combine like terms: 69 + -69 = 0
0 + 2y = 168 + -69
2y = 168 + -69

Combine like terms: 168 + -69 = 99
2y = 99

Divide each side by '2'.
y = 49.5

Simplifying
y = 49.5

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