.07(3y+5)=.2(y-5)

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Solution for .07(3y+5)=.2(y-5) equation:


Simplifying
0.07(3y + 5) = 0.2(y + -5)

Reorder the terms:
0.07(5 + 3y) = 0.2(y + -5)
(5 * 0.07 + 3y * 0.07) = 0.2(y + -5)
(0.35 + 0.21y) = 0.2(y + -5)

Reorder the terms:
0.35 + 0.21y = 0.2(-5 + y)
0.35 + 0.21y = (-5 * 0.2 + y * 0.2)
0.35 + 0.21y = (-1 + 0.2y)

Solving
0.35 + 0.21y = -1 + 0.2y

Solving for variable 'y'.

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

Add '-0.2y' to each side of the equation.
0.35 + 0.21y + -0.2y = -1 + 0.2y + -0.2y

Combine like terms: 0.21y + -0.2y = 0.01y
0.35 + 0.01y = -1 + 0.2y + -0.2y

Combine like terms: 0.2y + -0.2y = 0.0
0.35 + 0.01y = -1 + 0.0
0.35 + 0.01y = -1

Add '-0.35' to each side of the equation.
0.35 + -0.35 + 0.01y = -1 + -0.35

Combine like terms: 0.35 + -0.35 = 0.00
0.00 + 0.01y = -1 + -0.35
0.01y = -1 + -0.35

Combine like terms: -1 + -0.35 = -1.35
0.01y = -1.35

Divide each side by '0.01'.
y = -135

Simplifying
y = -135

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