If it's not what You are looking for type in the equation solver your own equation and let us solve it.
7r-9r=16
We simplify the equation to the form, which is simple to understand
7r-9r=16
We move all terms containing r to the left and all other terms to the right.
+7r-9r=+16
We simplify left and right side of the equation.
-2r=+16
We divide both sides of the equation by -2 to get r.
r=-8
| 8(y+10)=-24 | | l(x)=(x-20)x(-0.02x+40) | | 7(f-81)+17=87 | | z^4-18z^2+81=0 | | -(4-y)=15 | | 5x-2x+3=5x-3 | | l(x)=(x-20)(-0.02+40) | | 4x+x-3=0 | | n+25=19 | | l(x)=(x-20)x(-0.02+40) | | 3(v-7)-6=-4(-5v+6)-5v | | 10-42=u | | c^3+3c^2-10c=0 | | -6(2v-4)+3v=6(v+2) | | 5(u-93)-42=-32 | | .20y=1 | | 1/4(5x-8)=7 | | 3.1t-5.8m=11 | | B=45/5 | | 0.9714=(14+x)(15+x) | | 9u+1-3(-4u-3)=3(u-2) | | 18-h=5 | | y=1234x+967 | | -4x+20=64 | | 5(x+3)=20+15x | | ln(3x-9)=ln(2n+6) | | 2z^2+19+30= | | 0.5m+6=20 | | 9=2(k+2)-3 | | sin^3x+.5sin^2x-.5sinx=0 | | 10h-84=-9n-26 | | 3.9q-5.9-5.2q=-2.3q-5.9 |