3(-2-7r)=20-8r

Simple and best practice solution for 3(-2-7r)=20-8r 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 3(-2-7r)=20-8r equation: 



3(-2-7r)=20-8r

We move all terms to the left:

3(-2-7r)-(20-8r)=0

We add all the numbers together, and all the variables

3(-7r-2)-(-8r+20)=0

We multiply parentheses

-21r-(-8r+20)-6=0

We get rid of parentheses

-21r+8r-20-6=0

We add all the numbers together, and all the variables

-13r-26=0

We move all terms containing r to the left, all other terms to the right

-13r=26

r=26/-13

r=-2

See similar equations:

| 1+6v=4v-5 | | 1/4x-2=1/3x+22 | | -1-9q=10q-20 | | -78=6(u-99) | | P=19+2p | | 3(2n+5=) | | -20=x-(-19) | | (2x+2)^5/4=243 | | 0.15x+30=0.10+36 | | c/4-10=7 | | (2x²+2x+3)+(5x²=8x) | | 4560=x÷12 | | 80=29+3b | | (2x+7)+(2x+8)+(2x)=(2x)+(2x)+(3x+1) | | 0=-9d+9d | | t/5+23=33 | | -5(3p+7)=-35-p | | 10(x+5)=170 | | 4/3=x/236 | | −4(x+10)−6=−3(x−2) | | 8+4c+6=-10+10c | | 4(x+2)=50 | | 2(x−4)−27=7−4x | | 4x+12=48, | | z/4+-15=-18 | | 38-5x=-4(8x+4) | | 10-w=2w-8 | | 9x+10=8x-8 | | 0.51n=153 | | x^2+1x=5x+16 | | 2(x+1)=25 | | -7z+9=9-7z |

Equations solver categories