r^2+2=51

Simple and best practice solution for r^2+2=51 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 r^2+2=51 equation: 


Simplifying
r2 + 2 = 51

Reorder the terms:
2 + r2 = 51

Solving
2 + r2 = 51

Solving for variable 'r'.

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

Add '-2' to each side of the equation.
2 + -2 + r2 = 51 + -2

Combine like terms: 2 + -2 = 0
0 + r2 = 51 + -2
r2 = 51 + -2

Combine like terms: 51 + -2 = 49
r2 = 49

Simplifying
r2 = 49

Take the square root of each side:
r = {-7, 7}

See similar equations:

| 8-4*12=48 | | 12y+14=12y | | 8-4*14=48 | | 2x^3-17x-18=0 | | 8(2x+1)=4(3x-7) | | 2x-7+5x=21 | | -5+7=m-4 | | 14(c-15)=910 | | 7x-4*78=650 | | 2(6k)-1=-38 | | 15-4x=20-9x | | -4+5y=-5 | | -4+6y=-4 | | -3(6x+5)+9= | | 4mn-16m=0 | | 0.50+0.55(30)=0.25(140) | | -(5+2p)=13+2p | | 3x-3x-1=486 | | -8(6u-4y-5)= | | 2(x+4)-3x=10 | | -18x^2=8x | | 5p+q+20p+10q= | | -16-24+3= | | 7x+50=22 | | 8x^2+5=1 | | D^2-6D+13=0 | | 5x-11=10-2x | | 2(-5a+7)=-9 | | 2x+2=39 | | 4x-2(x-2)=5(x-1) | | 15x^4-12x^2-27=0 | | 1/3+4/7=x |

Equations solver categories