21-7y=6(4y+3)

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Solution for 21-7y=6(4y+3) equation:


Simplifying
21 + -7y = 6(4y + 3)

Reorder the terms:
21 + -7y = 6(3 + 4y)
21 + -7y = (3 * 6 + 4y * 6)
21 + -7y = (18 + 24y)

Solving
21 + -7y = 18 + 24y

Solving for variable 'y'.

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

Add '-24y' to each side of the equation.
21 + -7y + -24y = 18 + 24y + -24y

Combine like terms: -7y + -24y = -31y
21 + -31y = 18 + 24y + -24y

Combine like terms: 24y + -24y = 0
21 + -31y = 18 + 0
21 + -31y = 18

Add '-21' to each side of the equation.
21 + -21 + -31y = 18 + -21

Combine like terms: 21 + -21 = 0
0 + -31y = 18 + -21
-31y = 18 + -21

Combine like terms: 18 + -21 = -3
-31y = -3

Divide each side by '-31'.
y = 0.09677419355

Simplifying
y = 0.09677419355

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