3(r+7)=5(1-r)

Simple and best practice solution for 3(r+7)=5(1-r) 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(r+7)=5(1-r) equation: 



3(r+7)=5(1-r)

We move all terms to the left:

3(r+7)-(5(1-r))=0

We add all the numbers together, and all the variables

3(r+7)-(5(-1r+1))=0

We multiply parentheses

3r-(5(-1r+1))+21=0



We calculate terms in parentheses: -(5(-1r+1)), so:

5(-1r+1)

We multiply parentheses

-5r+5

Back to the equation:

-(-5r+5)



We get rid of parentheses

3r+5r-5+21=0

We add all the numbers together, and all the variables

8r+16=0

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

8r=-16

r=-16/8

r=-2

See similar equations:

| x+21=33+x | | -1-2v=-1 | | 9w+29=92 | | X+18+5x-6+x+7=180 | | 10=6p+22 | | 5x–9=–243 | | 7+0.25x=4x | | -7=-2x+15 | | -3(1+3n)+4(n-1)=n+5-7n-5 | | 10-p=13 | | n/4-4=-3 | | 1-6y-6y=61 | | 11=8y+3y | | -2(7-4x)=1/2(4+16x) | | 8x-9=158x−9=15 | | 12-c+7+6cC=3 | | 2x+42=33+x | | 100x10000= | | 2d−5=7 | | 10*(1.05)^x=300 | | 50=2(x-5/0-10 | | 9p+30=3p+7p+12 | | 37=33x | | 18=-3m | | 4x-5=2x=1 | | -2(p+2)+2(4p+1)=-2 | | e+10=6e-25 | | −7=−2x+15 | | 18x+50=1940 | | -3-5(-7w-8)=-488 | | -5(-2-7x)=10-5x | | 87-k=48 |

Equations solver categories