.12(y-7)+.20y=.14y-2.1

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Solution for .12(y-7)+.20y=.14y-2.1 equation:


Simplifying
0.12(y + -7) + 0.20y = 0.14y + -2.1

Reorder the terms:
0.12(-7 + y) + 0.20y = 0.14y + -2.1
(-7 * 0.12 + y * 0.12) + 0.20y = 0.14y + -2.1
(-0.84 + 0.12y) + 0.20y = 0.14y + -2.1

Combine like terms: 0.12y + 0.20y = 0.32y
-0.84 + 0.32y = 0.14y + -2.1

Reorder the terms:
-0.84 + 0.32y = -2.1 + 0.14y

Solving
-0.84 + 0.32y = -2.1 + 0.14y

Solving for variable 'y'.

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

Add '-0.14y' to each side of the equation.
-0.84 + 0.32y + -0.14y = -2.1 + 0.14y + -0.14y

Combine like terms: 0.32y + -0.14y = 0.18y
-0.84 + 0.18y = -2.1 + 0.14y + -0.14y

Combine like terms: 0.14y + -0.14y = 0.00
-0.84 + 0.18y = -2.1 + 0.00
-0.84 + 0.18y = -2.1

Add '0.84' to each side of the equation.
-0.84 + 0.84 + 0.18y = -2.1 + 0.84

Combine like terms: -0.84 + 0.84 = 0.00
0.00 + 0.18y = -2.1 + 0.84
0.18y = -2.1 + 0.84

Combine like terms: -2.1 + 0.84 = -1.26
0.18y = -1.26

Divide each side by '0.18'.
y = -7

Simplifying
y = -7

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