r^2-11+18=

Simple and best practice solution for r^2-11+18= 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^2-11+18= equation:


Simplifying
r2 + -11 + 18 = 0

Reorder the terms:
-11 + 18 + r2 = 0

Combine like terms: -11 + 18 = 7
7 + r2 = 0

Solving
7 + r2 = 0

Solving for variable 'r'.

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

Add '-7' to each side of the equation.
7 + -7 + r2 = 0 + -7

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

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

Simplifying
r2 = -7

Reorder the terms:
7 + r2 = -7 + 7

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

The solution to this equation could not be determined.

See similar equations:

| =100-x^2 | | ln(5x-2)=8 | | (2x-3)(2x-3)=(x-2)(x-2)+(x+5)(x+5) | | 7(k-3)+5(k-6)= | | 9x+20=50 | | 3x=12x+24 | | 2x^3+16x^2+11x-28=0 | | 16-3(x-8)=23 | | 9+8(x-7)=10-5(x-9) | | .3x=21 | | (19b-4)-6(3b+2)=-7 | | =64x^2-121y^2 | | =121x^2-225y^2 | | -4p+3(2+8p)=6.7+20.4p | | 2+b=789 | | =1x^2+8x+16 | | 3v^2+5=-16v | | 6d+2=4d+6 | | 2-16y=-4(-2+2y) | | =x^2-4x+4 | | .2x=64 | | 8(x-6)=16.8 | | 9(a+5)=103.5 | | 11y-5=43-y | | sin^8x+cos^8x=1 | | U(x)=ln(0.5x) | | 38=5c-6 | | 3(t-4)+7t=5(2t+5)-12 | | =4a^2-20a+25 | | 4e-3=31 | | x^2+3ix+2=0 | | y-2x=6x+16 |

Equations solver categories