6.7-0.4y+2.3y=-6.6

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Solution for 6.7-0.4y+2.3y=-6.6 equation: 


Simplifying
6.7 + -0.4y + 2.3y = -6.6

Combine like terms: -0.4y + 2.3y = 1.9y
6.7 + 1.9y = -6.6

Solving
6.7 + 1.9y = -6.6

Solving for variable 'y'.

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

Add '-6.7' to each side of the equation.
6.7 + -6.7 + 1.9y = -6.6 + -6.7

Combine like terms: 6.7 + -6.7 = 0.0
0.0 + 1.9y = -6.6 + -6.7
1.9y = -6.6 + -6.7

Combine like terms: -6.6 + -6.7 = -13.3
1.9y = -13.3

Divide each side by '1.9'.
y = -7

Simplifying
y = -7

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