-5(5y+4)-(-4y-7)=0

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Solution for -5(5y+4)-(-4y-7)=0 equation:


Simplifying
-5(5y + 4) + -1(-4y + -7) = 0

Reorder the terms:
-5(4 + 5y) + -1(-4y + -7) = 0
(4 * -5 + 5y * -5) + -1(-4y + -7) = 0
(-20 + -25y) + -1(-4y + -7) = 0

Reorder the terms:
-20 + -25y + -1(-7 + -4y) = 0
-20 + -25y + (-7 * -1 + -4y * -1) = 0
-20 + -25y + (7 + 4y) = 0

Reorder the terms:
-20 + 7 + -25y + 4y = 0

Combine like terms: -20 + 7 = -13
-13 + -25y + 4y = 0

Combine like terms: -25y + 4y = -21y
-13 + -21y = 0

Solving
-13 + -21y = 0

Solving for variable 'y'.

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

Add '13' to each side of the equation.
-13 + 13 + -21y = 0 + 13

Combine like terms: -13 + 13 = 0
0 + -21y = 0 + 13
-21y = 0 + 13

Combine like terms: 0 + 13 = 13
-21y = 13

Divide each side by '-21'.
y = -0.619047619

Simplifying
y = -0.619047619

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