2(2r+5)=9

Simple and best practice solution for 2(2r+5)=9 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 2(2r+5)=9 equation: 


Simplifying
2(2r + 5) = 9

Reorder the terms:
2(5 + 2r) = 9
(5 * 2 + 2r * 2) = 9
(10 + 4r) = 9

Solving
10 + 4r = 9

Solving for variable 'r'.

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

Add '-10' to each side of the equation.
10 + -10 + 4r = 9 + -10

Combine like terms: 10 + -10 = 0
0 + 4r = 9 + -10
4r = 9 + -10

Combine like terms: 9 + -10 = -1
4r = -1

Divide each side by '4'.
r = -0.25

Simplifying
r = -0.25

See similar equations:

| 3m+2n=-6 | | l-11+6+3l= | | 3(2-4x)=5(3+3x) | | 32-7x=-2(2x-4) | | 7(50)+12x=758 | | 4(7-2x)=-8x+20 | | 6r=5r-8 | | 2x-4y=(-3) | | Y+2.3=2.1 | | W-84=48 | | (6x+7)(x-1)=5 | | 2(2r-5)=9 | | 7z-6z+12=15 | | 6x-7=-7+6x | | 2(x+4)=5(x-6) | | -6y+6+6y=12 | | 32x^3+19x^2-72x=0 | | g(x)=(-4)f(x)-5 | | 10x=0.06 | | 0y=6 | | 6+3k-k=k+7 | | 10=w+13 | | 60n=41.67 | | 6x^2-7xy-10y^2=0 | | 7/10x-3=8 | | 14x-13x+24=-7 | | -16+1-7x-5=-4x+2x | | l-4l-3= | | 10x=0.63 | | [7x+12]=40 | | 1.15x+0.8=2.3+-1.5x | | y(11-3y)=8 |

Equations solver categories