If it's not what You are looking for type in the equation solver your own equation and let us solve it.
r/2-(-9)=15
We simplify the equation to the form, which is simple to understand
r/2-(-9)=15
Simplifying:
+ 0.5r-(-9)=15
Remove unnecessary parentheses
+ 0.5r+9=15
We move all terms containing r to the left and all other terms to the right.
+ 0.5r=+15-9
We simplify left and right side of the equation.
+ 0.5r=+6
We divide both sides of the equation by 0.5 to get r.
r=12
| 16x-36=17x | | 10x+5y+7=0 | | 2(5x+8)=3(5x-2) | | -n^2-3n+20=0 | | 2x-x=9 | | 5(x+7)=4(x-7)+x | | 70+166-16x+9x+7=180 | | 5x+-(-11)=34 | | 2t^2-21t+27=0 | | 3.8x+0.7=12.7-2.2x | | 5x-9(0.3333)=14 | | 3(h+2)=18 | | 10x-2+52+10x+10=180 | | 12y^2+18y=0 | | 5+3y=6 | | (-4-8i)(-3+I)= | | -3(2y-6)-y=-4(y-3) | | 12/3=x+5/6 | | -4(3y-3)-y=-2(y-3) | | 27a^3+18a-8b^3-12b= | | 37x+1=6(6x+7) | | 3z^2+8z-16=0 | | -6x-3=5x-5 | | 9x-2(6-2x)=6(x-7)+31 | | 7x-3x+2=x-3+5 | | 6x+14=4x+48 | | 9x^2+35x+32=0 | | -6.7-2x=-3.5 | | 6c+3=5x+10 | | 5m+6-7m+1= | | 7x-8=4+4x | | 7y-5=14y+51 |