7y+1.7-4.9y+0.4y-3=

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Solution for 7y+1.7-4.9y+0.4y-3= equation:


Simplifying
7y + 1.7 + -4.9y + 0.4y + -3 = 0

Reorder the terms:
1.7 + -3 + 7y + -4.9y + 0.4y = 0

Combine like terms: 1.7 + -3 = -1.3
-1.3 + 7y + -4.9y + 0.4y = 0

Combine like terms: 7y + -4.9y = 2.1y
-1.3 + 2.1y + 0.4y = 0

Combine like terms: 2.1y + 0.4y = 2.5y
-1.3 + 2.5y = 0

Solving
-1.3 + 2.5y = 0

Solving for variable 'y'.

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

Add '1.3' to each side of the equation.
-1.3 + 1.3 + 2.5y = 0 + 1.3

Combine like terms: -1.3 + 1.3 = 0.0
0.0 + 2.5y = 0 + 1.3
2.5y = 0 + 1.3

Combine like terms: 0 + 1.3 = 1.3
2.5y = 1.3

Divide each side by '2.5'.
y = 0.52

Simplifying
y = 0.52

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