4(2y+5)-15y=-78

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Solution for 4(2y+5)-15y=-78 equation:


Simplifying
4(2y + 5) + -15y = -78

Reorder the terms:
4(5 + 2y) + -15y = -78
(5 * 4 + 2y * 4) + -15y = -78
(20 + 8y) + -15y = -78

Combine like terms: 8y + -15y = -7y
20 + -7y = -78

Solving
20 + -7y = -78

Solving for variable 'y'.

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

Add '-20' to each side of the equation.
20 + -20 + -7y = -78 + -20

Combine like terms: 20 + -20 = 0
0 + -7y = -78 + -20
-7y = -78 + -20

Combine like terms: -78 + -20 = -98
-7y = -98

Divide each side by '-7'.
y = 14

Simplifying
y = 14

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