(6y^2+4y+1)-(6y^2+5)=20

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Solution for (6y^2+4y+1)-(6y^2+5)=20 equation:


Simplifying
(6y2 + 4y + 1) + -1(6y2 + 5) = 20

Reorder the terms:
(1 + 4y + 6y2) + -1(6y2 + 5) = 20

Remove parenthesis around (1 + 4y + 6y2)
1 + 4y + 6y2 + -1(6y2 + 5) = 20

Reorder the terms:
1 + 4y + 6y2 + -1(5 + 6y2) = 20
1 + 4y + 6y2 + (5 * -1 + 6y2 * -1) = 20
1 + 4y + 6y2 + (-5 + -6y2) = 20

Reorder the terms:
1 + -5 + 4y + 6y2 + -6y2 = 20

Combine like terms: 1 + -5 = -4
-4 + 4y + 6y2 + -6y2 = 20

Combine like terms: 6y2 + -6y2 = 0
-4 + 4y + 0 = 20
-4 + 4y = 20

Solving
-4 + 4y = 20

Solving for variable 'y'.

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

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

Combine like terms: -4 + 4 = 0
0 + 4y = 20 + 4
4y = 20 + 4

Combine like terms: 20 + 4 = 24
4y = 24

Divide each side by '4'.
y = 6

Simplifying
y = 6

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