20y+9=4(3y+1)

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Solution for 20y+9=4(3y+1) equation:


Simplifying
20y + 9 = 4(3y + 1)

Reorder the terms:
9 + 20y = 4(3y + 1)

Reorder the terms:
9 + 20y = 4(1 + 3y)
9 + 20y = (1 * 4 + 3y * 4)
9 + 20y = (4 + 12y)

Solving
9 + 20y = 4 + 12y

Solving for variable 'y'.

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

Add '-12y' to each side of the equation.
9 + 20y + -12y = 4 + 12y + -12y

Combine like terms: 20y + -12y = 8y
9 + 8y = 4 + 12y + -12y

Combine like terms: 12y + -12y = 0
9 + 8y = 4 + 0
9 + 8y = 4

Add '-9' to each side of the equation.
9 + -9 + 8y = 4 + -9

Combine like terms: 9 + -9 = 0
0 + 8y = 4 + -9
8y = 4 + -9

Combine like terms: 4 + -9 = -5
8y = -5

Divide each side by '8'.
y = -0.625

Simplifying
y = -0.625

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