2y^2+7=79

Simple and best practice solution for 2y^2+7=79 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 2y^2+7=79 equation:


Simplifying
2y2 + 7 = 79

Reorder the terms:
7 + 2y2 = 79

Solving
7 + 2y2 = 79

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 + 2y2 = 79 + -7

Combine like terms: 7 + -7 = 0
0 + 2y2 = 79 + -7
2y2 = 79 + -7

Combine like terms: 79 + -7 = 72
2y2 = 72

Divide each side by '2'.
y2 = 36

Simplifying
y2 = 36

Take the square root of each side:
y = {-6, 6}

See similar equations:

| (12x^2+27x-27)=0 | | 5y-10+2y-3= | | 27x^3-54x^2+36x-8= | | 6x-k=42 | | 18+(-6b)=10b+2 | | X^4+3x^3+8x+24= | | 18+(-6b)=10+2 | | 3v^2+14.28453709v=255.06 | | 72x^2-54x+4=0 | | 0.12m=14.4 | | 4p-13p-9=-150 | | -3xy-2z=9w | | 8+y-3y= | | ln(2t)+7=2 | | 9n-4n=176 | | 7y+5-3y= | | 7b=12 | | 13y+7y+2y= | | .062x+5.601=.05x+5.595 | | 6x^3-36=6x | | (2-2i)(3+4i)= | | .20(y-5)+.03y=.13y-.05(80) | | 10y+5y= | | 2.8-x=-11.30 | | y-2sqrty=4 | | 64s^2-81f^2=0 | | -4(5)+5y=0 | | 108a^2-75=0 | | 3(1-7x)=16 | | (7+3i)-(4-2i)= | | x^2+20x=261 | | 5x+2.4=7x+1.2 |

Equations solver categories