3r+3(r-10)=300

Simple and best practice solution for 3r+3(r-10)=300 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 3r+3(r-10)=300 equation:


Simplifying
3r + 3(r + -10) = 300

Reorder the terms:
3r + 3(-10 + r) = 300
3r + (-10 * 3 + r * 3) = 300
3r + (-30 + 3r) = 300

Reorder the terms:
-30 + 3r + 3r = 300

Combine like terms: 3r + 3r = 6r
-30 + 6r = 300

Solving
-30 + 6r = 300

Solving for variable 'r'.

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

Add '30' to each side of the equation.
-30 + 30 + 6r = 300 + 30

Combine like terms: -30 + 30 = 0
0 + 6r = 300 + 30
6r = 300 + 30

Combine like terms: 300 + 30 = 330
6r = 330

Divide each side by '6'.
r = 55

Simplifying
r = 55

See similar equations:

| 13b-9b-5b=11 | | log(x+2)+log(x+5)=1 | | sin^5x*cos^2x=(cos^2x-2os^4x+cos^6)sinx | | 10w+9x-4= | | 2(l-1)+2w=46 | | (4x+4)-(2x+8)= | | 2(w-1)+2w=46 | | -5y^5-y^4-8(8y^5-4y)= | | 1(n+2)=5 | | 46-6x=35x+50 | | I=1200(.06)(2) | | 4e-9=e+6 | | 3(2x+1)=3(x-1) | | 2n-7=14 | | 0.5x+8=14-x | | -4(-3x+7)=104 | | -3j-(-4)/6=12 | | 17g-16g=7 | | 20=2(r) | | 4y-2y=20 | | 12-y=16 | | 3a+2=12 | | 2z+7z=-4z-3+6z | | x/21=30/70 | | 6y-5=4 | | 12=4x-9 | | 32-7x=-15 | | 5f-2=7 | | 5f-2=-7 | | 4d+9=12 | | 2y^3-6y+3x^2-18x=12 | | 5(4x)=0 |

Equations solver categories