6.4=1.3-0.7y

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Solution for 6.4=1.3-0.7y equation: 


Simplifying
6.4 = 1.3 + -0.7y

Solving
6.4 = 1.3 + -0.7y

Solving for variable 'y'.

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

Add '0.7y' to each side of the equation.
6.4 + 0.7y = 1.3 + -0.7y + 0.7y

Combine like terms: -0.7y + 0.7y = 0.0
6.4 + 0.7y = 1.3 + 0.0
6.4 + 0.7y = 1.3

Add '-6.4' to each side of the equation.
6.4 + -6.4 + 0.7y = 1.3 + -6.4

Combine like terms: 6.4 + -6.4 = 0.0
0.0 + 0.7y = 1.3 + -6.4
0.7y = 1.3 + -6.4

Combine like terms: 1.3 + -6.4 = -5.1
0.7y = -5.1

Divide each side by '0.7'.
y = -7.285714286

Simplifying
y = -7.285714286

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