189=1-4(7r-5)

Simple and best practice solution for 189=1-4(7r-5) 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 189=1-4(7r-5) equation: 



189=1-4(7r-5)

We move all terms to the left:

189-(1-4(7r-5))=0



We calculate terms in parentheses: -(1-4(7r-5)), so:

1-4(7r-5)

determiningTheFunctionDomain
-4(7r-5)+1

We multiply parentheses

-28r+20+1

We add all the numbers together, and all the variables

-28r+21

Back to the equation:

-(-28r+21)



We get rid of parentheses

28r-21+189=0

We add all the numbers together, and all the variables

28r+168=0

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

28r=-168

r=-168/28

r=-6

See similar equations:

| (5x+37)+(7x+5)=180 | | x4+1=3 | | -133=-7(a+3) | | 66=5p-4 | | -4x+1=-9x+16−9x+16 | | 5w-17=73 | | 31-6b=-4(7+5b)+3 | | 10t=-30+5t | | 2(-2x+10)=80 | | 1-r=4r-2(r+1) | | -2(-2x*10)=80 | | 7(3+2n)=2n-15 | | r+14=-8(r+4)+1 | | -6(2x+7)-3x=38+5x | | I4x=24 | | 7x-5-3x-8=4x+10-7x+5 | | -111=-3(5p+2) | | (4x-3)(3x-1)-(7x+2)(x+1)=(5x+1)(x+1)+10 | | -258=-6(1+6x) | | -248=8(5x-6) | | 3x÷4+2=11 | | y=3(3-4 | | v2-2v−15=0 | | 3w^2-2√3w+1=0 | | 12x+5+8x+15=180 | | 2t^2+t-136=0 | | -4=2/y | | 7x+15=5x+7 | | 2y^2+y-351=0 | | -7/w=-5 | | 3z^2+z-140=0 | | x+(x/5)=73 |

Equations solver categories