0.3(5y-7)-0.2(3y+4)=0.1(8y-3)

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Solution for 0.3(5y-7)-0.2(3y+4)=0.1(8y-3) equation:


Simplifying
0.3(5y + -7) + -0.2(3y + 4) = 0.1(8y + -3)

Reorder the terms:
0.3(-7 + 5y) + -0.2(3y + 4) = 0.1(8y + -3)
(-7 * 0.3 + 5y * 0.3) + -0.2(3y + 4) = 0.1(8y + -3)
(-2.1 + 1.5y) + -0.2(3y + 4) = 0.1(8y + -3)

Reorder the terms:
-2.1 + 1.5y + -0.2(4 + 3y) = 0.1(8y + -3)
-2.1 + 1.5y + (4 * -0.2 + 3y * -0.2) = 0.1(8y + -3)
-2.1 + 1.5y + (-0.8 + -0.6y) = 0.1(8y + -3)

Reorder the terms:
-2.1 + -0.8 + 1.5y + -0.6y = 0.1(8y + -3)

Combine like terms: -2.1 + -0.8 = -2.9
-2.9 + 1.5y + -0.6y = 0.1(8y + -3)

Combine like terms: 1.5y + -0.6y = 0.9y
-2.9 + 0.9y = 0.1(8y + -3)

Reorder the terms:
-2.9 + 0.9y = 0.1(-3 + 8y)
-2.9 + 0.9y = (-3 * 0.1 + 8y * 0.1)
-2.9 + 0.9y = (-0.3 + 0.8y)

Solving
-2.9 + 0.9y = -0.3 + 0.8y

Solving for variable 'y'.

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

Add '-0.8y' to each side of the equation.
-2.9 + 0.9y + -0.8y = -0.3 + 0.8y + -0.8y

Combine like terms: 0.9y + -0.8y = 0.1y
-2.9 + 0.1y = -0.3 + 0.8y + -0.8y

Combine like terms: 0.8y + -0.8y = 0.0
-2.9 + 0.1y = -0.3 + 0.0
-2.9 + 0.1y = -0.3

Add '2.9' to each side of the equation.
-2.9 + 2.9 + 0.1y = -0.3 + 2.9

Combine like terms: -2.9 + 2.9 = 0.0
0.0 + 0.1y = -0.3 + 2.9
0.1y = -0.3 + 2.9

Combine like terms: -0.3 + 2.9 = 2.6
0.1y = 2.6

Divide each side by '0.1'.
y = 26

Simplifying
y = 26

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