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

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Solution for 0.12(y-7)+0.18y=0.16-2.1 equation: 


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

Reorder the terms:
0.12(-7 + y) + 0.18y = 0.16 + -2.1
(-7 * 0.12 + y * 0.12) + 0.18y = 0.16 + -2.1
(-0.84 + 0.12y) + 0.18y = 0.16 + -2.1

Combine like terms: 0.12y + 0.18y = 0.3y
-0.84 + 0.3y = 0.16 + -2.1

Combine like terms: 0.16 + -2.1 = -1.94
-0.84 + 0.3y = -1.94

Solving
-0.84 + 0.3y = -1.94

Solving for variable 'y'.

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

Add '0.84' to each side of the equation.
-0.84 + 0.84 + 0.3y = -1.94 + 0.84

Combine like terms: -0.84 + 0.84 = 0.00
0.00 + 0.3y = -1.94 + 0.84
0.3y = -1.94 + 0.84

Combine like terms: -1.94 + 0.84 = -1.1
0.3y = -1.1

Divide each side by '0.3'.
y = -3.666666667

Simplifying
y = -3.666666667

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