7y+4(3-y)=18

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Solution for 7y+4(3-y)=18 equation:


Simplifying
7y + 4(3 + -1y) = 18
7y + (3 * 4 + -1y * 4) = 18
7y + (12 + -4y) = 18

Reorder the terms:
12 + 7y + -4y = 18

Combine like terms: 7y + -4y = 3y
12 + 3y = 18

Solving
12 + 3y = 18

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 + 3y = 18 + -12

Combine like terms: 12 + -12 = 0
0 + 3y = 18 + -12
3y = 18 + -12

Combine like terms: 18 + -12 = 6
3y = 6

Divide each side by '3'.
y = 2

Simplifying
y = 2

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