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Simplifying
6y2 + -7 = 18
Reorder the terms:
-7 + 6y2 = 18
Solving
-7 + 6y2 = 18
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Add '7' to each side of the equation.
-7 + 7 + 6y2 = 18 + 7
Combine like terms: -7 + 7 = 0
0 + 6y2 = 18 + 7
6y2 = 18 + 7
Combine like terms: 18 + 7 = 25
6y2 = 25
Divide each side by '6'.
y2 = 4.166666667
Simplifying
y2 = 4.166666667
Take the square root of each side:
y = {-2.041241452, 2.041241452}
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