y^2+4=400

Simple and best practice solution for y^2+4=400 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 y^2+4=400 equation: 


Simplifying
y2 + 4 = 400

Reorder the terms:
4 + y2 = 400

Solving
4 + y2 = 400

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 + y2 = 400 + -4

Combine like terms: 4 + -4 = 0
0 + y2 = 400 + -4
y2 = 400 + -4

Combine like terms: 400 + -4 = 396
y2 = 396

Simplifying
y2 = 396

Take the square root of each side:
y = {-19.899748742, 19.899748742}

See similar equations:

| [x/3-6]=(2x+4)(-1/2) | | 8y-3=-3 | | 20=3-(z+10) | | 3x+30=x | | -3(t-2)+9t=8t-6 | | -31-a=-(1-4a) | | 3x+30= | | -3(5y-9)-y=-3(y-3) | | 4(3+3x)-1=47 | | 5-2y=11-8y+6y | | .66m-.6m=4 | | 3x-6+6x=-15 | | 6(-2x-2)=-72 | | 1+3n-5n-4=1-4n | | 93-(7x+12)=7(x+3)+x | | .5xh+.33x(h-6)=.83xh+2 | | -5(t-5)+8t=6t-1 | | 5x-5=-3x-9 | | (x/3-6)=(2x+4)(-1/2) | | 3(y-5)-5y=5y+9 | | 8-4z=16 | | 7x-8=7x-8 | | 8x-3y=6-4x | | 13=.167x+2y | | -3(t-4)+7t=8t-6 | | 4x+3y+2x+y= | | -7(t-2)-(t+1)=4 | | 5y^2-2y+4=0 | | (x+4)(x+4)+4=53 | | 4k+2-3k=18 | | 16+5w-10-(-3w)=10-12 | | 6x-8=6(x-4) |

Equations solver categories