4r^2-7=29

Simple and best practice solution for 4r^2-7=29 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 4r^2-7=29 equation: 


Simplifying
4r2 + -7 = 29

Reorder the terms:
-7 + 4r2 = 29

Solving
-7 + 4r2 = 29

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 + 4r2 = 29 + 7

Combine like terms: -7 + 7 = 0
0 + 4r2 = 29 + 7
4r2 = 29 + 7

Combine like terms: 29 + 7 = 36
4r2 = 36

Divide each side by '4'.
r2 = 9

Simplifying
r2 = 9

Take the square root of each side:
r = {-3, 3}

See similar equations:

| -1+5(5+11b)=24-3b | | 4x^2-5x+11=7x+6 | | -(4y-8)+10= | | 9u=5u^2-2 | | 57x-95y=0 | | -11(a-9)-2=-5a+55 | | x-x*x*x=0.5 | | 3(x+4)=8x-6 | | x^2+8x-11=6x-3 | | 3x+56=12x+8(x-10) | | x^2-11x+35=7 | | x-x+y-2y= | | 216x^2=6 | | s^2-36=0 | | r=8(6.6)+10 | | r=8(-1)+10 | | r=8(2)+10 | | 2r=8r+10 | | 0.25(12d-12)+3d=9 | | 2=8r+10 | | 5-9x=149-37x | | -4+9-1= | | 3k+8k-7=7k+9 | | (x+4)(x+1)=54 | | 750=(X)(X-5) | | 12x^3+84x^2+120x=0 | | 5(f-3)=6f+7 | | 2x+11=-89-8x | | 3v^2=-11v-10 | | -3c+10=c+2-6c | | 17-0.4(q-10)=0.6(5q-10) | | -8-5x=710x |

Equations solver categories