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Simplifying
1 = 49 + -3y2
Solving
1 = 49 + -3y2
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Add '3y2' to each side of the equation.
1 + 3y2 = 49 + -3y2 + 3y2
Combine like terms: -3y2 + 3y2 = 0
1 + 3y2 = 49 + 0
1 + 3y2 = 49
Add '-1' to each side of the equation.
1 + -1 + 3y2 = 49 + -1
Combine like terms: 1 + -1 = 0
0 + 3y2 = 49 + -1
3y2 = 49 + -1
Combine like terms: 49 + -1 = 48
3y2 = 48
Divide each side by '3'.
y2 = 16
Simplifying
y2 = 16
Take the square root of each side:
y = {-4, 4}
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