0.18(y-7)+0.16y=0.04y-2.1

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Solution for 0.18(y-7)+0.16y=0.04y-2.1 equation: 


Simplifying
0.18(y + -7) + 0.16y = 0.04y + -2.1

Reorder the terms:
0.18(-7 + y) + 0.16y = 0.04y + -2.1
(-7 * 0.18 + y * 0.18) + 0.16y = 0.04y + -2.1
(-1.26 + 0.18y) + 0.16y = 0.04y + -2.1

Combine like terms: 0.18y + 0.16y = 0.34y
-1.26 + 0.34y = 0.04y + -2.1

Reorder the terms:
-1.26 + 0.34y = -2.1 + 0.04y

Solving
-1.26 + 0.34y = -2.1 + 0.04y

Solving for variable 'y'.

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

Add '-0.04y' to each side of the equation.
-1.26 + 0.34y + -0.04y = -2.1 + 0.04y + -0.04y

Combine like terms: 0.34y + -0.04y = 0.3y
-1.26 + 0.3y = -2.1 + 0.04y + -0.04y

Combine like terms: 0.04y + -0.04y = 0.00
-1.26 + 0.3y = -2.1 + 0.00
-1.26 + 0.3y = -2.1

Add '1.26' to each side of the equation.
-1.26 + 1.26 + 0.3y = -2.1 + 1.26

Combine like terms: -1.26 + 1.26 = 0.00
0.00 + 0.3y = -2.1 + 1.26
0.3y = -2.1 + 1.26

Combine like terms: -2.1 + 1.26 = -0.84
0.3y = -0.84

Divide each side by '0.3'.
y = -2.8

Simplifying
y = -2.8

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