-3(1.8y-4.3)+6.4y=6.7

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Solution for -3(1.8y-4.3)+6.4y=6.7 equation: 


Simplifying
-3(1.8y + -4.3) + 6.4y = 6.7

Reorder the terms:
-3(-4.3 + 1.8y) + 6.4y = 6.7
(-4.3 * -3 + 1.8y * -3) + 6.4y = 6.7
(12.9 + -5.4y) + 6.4y = 6.7

Combine like terms: -5.4y + 6.4y = 1y
12.9 + 1y = 6.7

Solving
12.9 + 1y = 6.7

Solving for variable 'y'.

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

Add '-12.9' to each side of the equation.
12.9 + -12.9 + 1y = 6.7 + -12.9

Combine like terms: 12.9 + -12.9 = 0.0
0.0 + 1y = 6.7 + -12.9
1y = 6.7 + -12.9

Combine like terms: 6.7 + -12.9 = -6.2
1y = -6.2

Divide each side by '1'.
y = -6.2

Simplifying
y = -6.2

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