7(y+5)-4(2y)=55

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Solution for 7(y+5)-4(2y)=55 equation:


Simplifying
7(y + 5) + -4(2y) = 55

Reorder the terms:
7(5 + y) + -4(2y) = 55
(5 * 7 + y * 7) + -4(2y) = 55
(35 + 7y) + -4(2y) = 55

Remove parenthesis around (2y)
35 + 7y + -4 * 2y = 55

Multiply -4 * 2
35 + 7y + -8y = 55

Combine like terms: 7y + -8y = -1y
35 + -1y = 55

Solving
35 + -1y = 55

Solving for variable 'y'.

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

Add '-35' to each side of the equation.
35 + -35 + -1y = 55 + -35

Combine like terms: 35 + -35 = 0
0 + -1y = 55 + -35
-1y = 55 + -35

Combine like terms: 55 + -35 = 20
-1y = 20

Divide each side by '-1'.
y = -20

Simplifying
y = -20

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