-7=-9+r/2

Simple and best practice solution for -7=-9+r/2 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 -7=-9+r/2 equation: 



-7=-9+r/2

We move all terms to the left:

-7-(-9+r/2)=0

We add all the numbers together, and all the variables

-(r/2-9)-7=0

We get rid of parentheses

-r/2+9-7=0

We multiply all the terms by the denominator


-r+9*2-7*2=0

We add all the numbers together, and all the variables

-1r+4=0

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

-r=-4

r=-4/-1

r=+4

See similar equations:

| x^2-53x-196=0 | | 2=-r/2+5 | | -5(m-7)-2=3(4m-6) | | (x/2)+(3x/5)=11 | | 6b+6=49 | | 10x+136=8 | | b-(-28)=57 | | -20=2(w-5) | | 8=n-(-11) | | -10q+-13q+7q-19q+4q=14 | | 2g=1=9 | | -5=b/29 | | 7=k/19 | | 476=-28a | | 3x=1.94 | | 6x²+11x-35=0 | | v/6-4=1 | | x^2+5.6x-1.12=0 | | b+16=16 | | 2x=3-x+9 | | 3+9x=9x-3 | | 4=w/4.6 | | 115+5x+5=180 | | 4x+9x-12x=9-5-3 | | 65+5x+5=180 | | X+(1/82)=x+1 | | z^2=z^2 | | 300=51×p | | -2x+11x=18 | | 65+3x+4=180 | | -2x+11x=8 | | 1(x-100)=35.75 |

Equations solver categories