(4+8)-(4+3y)=7

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Solution for (4+8)-(4+3y)=7 equation: 


Simplifying
(4 + 8) + -1(4 + 3y) = 7

Combine like terms: 4 + 8 = 12
(12) + -1(4 + 3y) = 7
12 + -1(4 + 3y) = 7
12 + (4 * -1 + 3y * -1) = 7
12 + (-4 + -3y) = 7

Combine like terms: 12 + -4 = 8
8 + -3y = 7

Solving
8 + -3y = 7

Solving for variable 'y'.

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

Add '-8' to each side of the equation.
8 + -8 + -3y = 7 + -8

Combine like terms: 8 + -8 = 0
0 + -3y = 7 + -8
-3y = 7 + -8

Combine like terms: 7 + -8 = -1
-3y = -1

Divide each side by '-3'.
y = 0.3333333333

Simplifying
y = 0.3333333333

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