If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-4r+7=0
We simplify the equation to the form, which is simple to understand
-4r+7=0
We move all terms containing r to the left and all other terms to the right.
-4r=0-7
We simplify left and right side of the equation.
-4r=-7
We divide both sides of the equation by -4 to get r.
r=1.75
| y=.10x+20.72 | | y=.10+x+20.72 | | 2+2y=5 | | 5-x=c | | 8(-4)=-8x-32 | | 4x-150=-8x+78 | | -2(0)-2y=8 | | 5.11x+25.55=51.1 | | 2y^2-3y^2-6=0 | | 3x-5=-22 | | -79+9x=21+5x | | 11x+25.55=51.1 | | x^2-2xr+w^2=0 | | 4b+3(b-2)=18-b | | 1x^3+5x^2-7x-8=0 | | -.2x^2+115x-9500=0 | | 6x^2-23x=-21 | | x-4087=4200 | | 4(x-2)=8(x-3)(-12) | | s-15=15.62 | | 81p^2-49=0 | | 3.5r=126 | | x-(-8820)=-1391 | | 3x^2=6x+12 | | 6x+2(-2-x-3)=1-5x | | 5y(y+4)=7(y+4) | | 142=(x-7)+(2x-1) | | 8x+15-5x=y | | y^2+2x+2=0 | | 5x-50=3x+60 | | (2y+6)(3y-3v+5)= | | -1=3+4 |