08(y-7)+.02y=.20y-.07(20)

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Solution for 08(y-7)+.02y=.20y-.07(20) equation:


Simplifying
8(y + -7) + 0.02y = 0.20y + -0.07(20)

Reorder the terms:
8(-7 + y) + 0.02y = 0.20y + -0.07(20)
(-7 * 8 + y * 8) + 0.02y = 0.20y + -0.07(20)
(-56 + 8y) + 0.02y = 0.20y + -0.07(20)

Combine like terms: 8y + 0.02y = 8.02y
-56 + 8.02y = 0.20y + -0.07(20)

Multiply -0.07 * 20
-56 + 8.02y = 0.20y + -1.4

Reorder the terms:
-56 + 8.02y = -1.4 + 0.20y

Solving
-56 + 8.02y = -1.4 + 0.20y

Solving for variable 'y'.

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

Add '-0.20y' to each side of the equation.
-56 + 8.02y + -0.20y = -1.4 + 0.20y + -0.20y

Combine like terms: 8.02y + -0.20y = 7.82y
-56 + 7.82y = -1.4 + 0.20y + -0.20y

Combine like terms: 0.20y + -0.20y = 0.00
-56 + 7.82y = -1.4 + 0.00
-56 + 7.82y = -1.4

Add '56' to each side of the equation.
-56 + 56 + 7.82y = -1.4 + 56

Combine like terms: -56 + 56 = 0
0 + 7.82y = -1.4 + 56
7.82y = -1.4 + 56

Combine like terms: -1.4 + 56 = 54.6
7.82y = 54.6

Divide each side by '7.82'.
y = 6.982097187

Simplifying
y = 6.982097187

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