r^2-5=-7

Simple and best practice solution for r^2-5=-7 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^2-5=-7 equation: 


Simplifying
r2 + -5 = -7

Reorder the terms:
-5 + r2 = -7

Solving
-5 + r2 = -7

Solving for variable 'r'.

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

Add '5' to each side of the equation.
-5 + 5 + r2 = -7 + 5

Combine like terms: -5 + 5 = 0
0 + r2 = -7 + 5
r2 = -7 + 5

Combine like terms: -7 + 5 = -2
r2 = -2

Simplifying
r2 = -2

Reorder the terms:
2 + r2 = -2 + 2

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

The solution to this equation could not be determined.

See similar equations:

| 5/7=60/x, | | 11w-4w=14 | | r^2-5=-76 | | 4(x+2)-2x+1=2x+3 | | Xm=x+2forx | | 4+2p=19 | | 1000q-q^2=80 | | 5/(x-2)=15/27 | | Dm=x+2forx | | -4-2+2=2-6 | | 4b+4b-4=28 | | 7m^2=-140 | | -9/4y=27/4 | | 25x=-3+26x | | 7x+54=3x+26 | | (-8-5i)+(-3+6i)= | | -0.5x+2.1=6.4 | | -8t(2t-7)=0 | | 13x-43=9 | | 2x+3x-11=13 | | -9=12+11x | | 4x+17=3(2x+7) | | -6-5a^2=-106 | | 2=3[-4]-12 | | -13m+5m=14-38+24 | | 11s+2s+4s-15s-1=9 | | X^25-6x-18=0 | | 2p-12p=70 | | 3×x/2=6 | | 4x+5=2(3x-4)-2 | | 4x^4(2x+5)= | | (-7+6i)-(8+5i)= |

Equations solver categories