7+0.1(7-y)=0.5y-8(y-0.5)

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Solution for 7+0.1(7-y)=0.5y-8(y-0.5) equation:


Simplifying
7 + 0.1(7 + -1y) = 0.5y + -8(y + -0.5)
7 + (7 * 0.1 + -1y * 0.1) = 0.5y + -8(y + -0.5)
7 + (0.7 + -0.1y) = 0.5y + -8(y + -0.5)

Combine like terms: 7 + 0.7 = 7.7
7.7 + -0.1y = 0.5y + -8(y + -0.5)

Reorder the terms:
7.7 + -0.1y = 0.5y + -8(-0.5 + y)
7.7 + -0.1y = 0.5y + (-0.5 * -8 + y * -8)
7.7 + -0.1y = 0.5y + (4 + -8y)

Reorder the terms:
7.7 + -0.1y = 4 + 0.5y + -8y

Combine like terms: 0.5y + -8y = -7.5y
7.7 + -0.1y = 4 + -7.5y

Solving
7.7 + -0.1y = 4 + -7.5y

Solving for variable 'y'.

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

Add '7.5y' to each side of the equation.
7.7 + -0.1y + 7.5y = 4 + -7.5y + 7.5y

Combine like terms: -0.1y + 7.5y = 7.4y
7.7 + 7.4y = 4 + -7.5y + 7.5y

Combine like terms: -7.5y + 7.5y = 0.0
7.7 + 7.4y = 4 + 0.0
7.7 + 7.4y = 4

Add '-7.7' to each side of the equation.
7.7 + -7.7 + 7.4y = 4 + -7.7

Combine like terms: 7.7 + -7.7 = 0.0
0.0 + 7.4y = 4 + -7.7
7.4y = 4 + -7.7

Combine like terms: 4 + -7.7 = -3.7
7.4y = -3.7

Divide each side by '7.4'.
y = -0.5

Simplifying
y = -0.5

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