0.4y+0.7=0.2-0.1y

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Solution for 0.4y+0.7=0.2-0.1y equation: 


Simplifying
0.4y + 0.7 = 0.2 + -0.1y

Reorder the terms:
0.7 + 0.4y = 0.2 + -0.1y

Solving
0.7 + 0.4y = 0.2 + -0.1y

Solving for variable 'y'.

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

Add '0.1y' to each side of the equation.
0.7 + 0.4y + 0.1y = 0.2 + -0.1y + 0.1y

Combine like terms: 0.4y + 0.1y = 0.5y
0.7 + 0.5y = 0.2 + -0.1y + 0.1y

Combine like terms: -0.1y + 0.1y = 0.0
0.7 + 0.5y = 0.2 + 0.0
0.7 + 0.5y = 0.2

Add '-0.7' to each side of the equation.
0.7 + -0.7 + 0.5y = 0.2 + -0.7

Combine like terms: 0.7 + -0.7 = 0.0
0.0 + 0.5y = 0.2 + -0.7
0.5y = 0.2 + -0.7

Combine like terms: 0.2 + -0.7 = -0.5
0.5y = -0.5

Divide each side by '0.5'.
y = -1

Simplifying
y = -1

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