3y+0.4=4y+0.7

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Solution for 3y+0.4=4y+0.7 equation: 


Simplifying
3y + 0.4 = 4y + 0.7

Reorder the terms:
0.4 + 3y = 4y + 0.7

Reorder the terms:
0.4 + 3y = 0.7 + 4y

Solving
0.4 + 3y = 0.7 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
0.4 + 3y + -4y = 0.7 + 4y + -4y

Combine like terms: 3y + -4y = -1y
0.4 + -1y = 0.7 + 4y + -4y

Combine like terms: 4y + -4y = 0
0.4 + -1y = 0.7 + 0
0.4 + -1y = 0.7

Add '-0.4' to each side of the equation.
0.4 + -0.4 + -1y = 0.7 + -0.4

Combine like terms: 0.4 + -0.4 = 0.0
0.0 + -1y = 0.7 + -0.4
-1y = 0.7 + -0.4

Combine like terms: 0.7 + -0.4 = 0.3
-1y = 0.3

Divide each side by '-1'.
y = -0.3

Simplifying
y = -0.3

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