1.3(3y+10)=9.8-0.4y+9.7-0.9y

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Solution for 1.3(3y+10)=9.8-0.4y+9.7-0.9y equation:


Simplifying
1.3(3y + 10) = 9.8 + -0.4y + 9.7 + -0.9y

Reorder the terms:
1.3(10 + 3y) = 9.8 + -0.4y + 9.7 + -0.9y
(10 * 1.3 + 3y * 1.3) = 9.8 + -0.4y + 9.7 + -0.9y
(13 + 3.9y) = 9.8 + -0.4y + 9.7 + -0.9y

Reorder the terms:
13 + 3.9y = 9.8 + 9.7 + -0.4y + -0.9y

Combine like terms: 9.8 + 9.7 = 19.5
13 + 3.9y = 19.5 + -0.4y + -0.9y

Combine like terms: -0.4y + -0.9y = -1.3y
13 + 3.9y = 19.5 + -1.3y

Solving
13 + 3.9y = 19.5 + -1.3y

Solving for variable 'y'.

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

Add '1.3y' to each side of the equation.
13 + 3.9y + 1.3y = 19.5 + -1.3y + 1.3y

Combine like terms: 3.9y + 1.3y = 5.2y
13 + 5.2y = 19.5 + -1.3y + 1.3y

Combine like terms: -1.3y + 1.3y = 0.0
13 + 5.2y = 19.5 + 0.0
13 + 5.2y = 19.5

Add '-13' to each side of the equation.
13 + -13 + 5.2y = 19.5 + -13

Combine like terms: 13 + -13 = 0
0 + 5.2y = 19.5 + -13
5.2y = 19.5 + -13

Combine like terms: 19.5 + -13 = 6.5
5.2y = 6.5

Divide each side by '5.2'.
y = 1.25

Simplifying
y = 1.25

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