7(2y+y)=4y-1

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Solution for 7(2y+y)=4y-1 equation:


Simplifying
7(2y + y) = 4y + -1

Combine like terms: 2y + y = 3y
7(3y) = 4y + -1

Remove parenthesis around (3y)
7 * 3y = 4y + -1

Multiply 7 * 3
21y = 4y + -1

Reorder the terms:
21y = -1 + 4y

Solving
21y = -1 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
21y + -4y = -1 + 4y + -4y

Combine like terms: 21y + -4y = 17y
17y = -1 + 4y + -4y

Combine like terms: 4y + -4y = 0
17y = -1 + 0
17y = -1

Divide each side by '17'.
y = -0.05882352941

Simplifying
y = -0.05882352941

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