4.3y-0.3(y+1)=8.4

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Solution for 4.3y-0.3(y+1)=8.4 equation: 


Simplifying
4.3y + -0.3(y + 1) = 8.4

Reorder the terms:
4.3y + -0.3(1 + y) = 8.4
4.3y + (1 * -0.3 + y * -0.3) = 8.4
4.3y + (-0.3 + -0.3y) = 8.4

Reorder the terms:
-0.3 + 4.3y + -0.3y = 8.4

Combine like terms: 4.3y + -0.3y = 4y
-0.3 + 4y = 8.4

Solving
-0.3 + 4y = 8.4

Solving for variable 'y'.

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

Add '0.3' to each side of the equation.
-0.3 + 0.3 + 4y = 8.4 + 0.3

Combine like terms: -0.3 + 0.3 = 0.0
0.0 + 4y = 8.4 + 0.3
4y = 8.4 + 0.3

Combine like terms: 8.4 + 0.3 = 8.7
4y = 8.7

Divide each side by '4'.
y = 2.175

Simplifying
y = 2.175

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