4y+3(2y+-4)=42

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Solution for 4y+3(2y+-4)=42 equation:


Simplifying
4y + 3(2y + -4) = 42

Reorder the terms:
4y + 3(-4 + 2y) = 42
4y + (-4 * 3 + 2y * 3) = 42
4y + (-12 + 6y) = 42

Reorder the terms:
-12 + 4y + 6y = 42

Combine like terms: 4y + 6y = 10y
-12 + 10y = 42

Solving
-12 + 10y = 42

Solving for variable 'y'.

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

Add '12' to each side of the equation.
-12 + 12 + 10y = 42 + 12

Combine like terms: -12 + 12 = 0
0 + 10y = 42 + 12
10y = 42 + 12

Combine like terms: 42 + 12 = 54
10y = 54

Divide each side by '10'.
y = 5.4

Simplifying
y = 5.4

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