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1r=1
We move all terms to the left:
1r-(1)=0
We add all the numbers together, and all the variables
r-1=0
We move all terms containing r to the left, all other terms to the right
r=1
| 12-2x=25 | | 7+3-2x=180 | | 15(2y-10)=2(6y+10) | | -1=-4x²-3x-7 | | p-5=3p-12 | | -3x-3=-15+6x | | 3(2x-5)=5x+4-8x | | -1-7(2f-19)=-20-19-5f | | 8(6n-7)=328 | | 4p+9=9+4p | | 70+14x+10+7x-4=180 | | -3(3r+11)=7r+3-19r | | 19.95+2.37x=24.95+0.16 | | 11+3x-1=180 | | 2(x-5)+3=3-6x | | -5x-1=-4x2 | | 2x-6=7x+11 | | (1/x)^2=1/25 | | -3(-3d+2)=3-3(-4d+16) | | x3+3=9 | | (2)6x+31=19x-36 | | 5x+24=16+3x | | 22x+9x=31 | | 8x-5=5x+7x= | | 1.1+(3/4)x+2=3.1+(3/4)x | | 3x+10+6x-1+90=180 | | 47+2+x=180 | | M2=-2+7x | | 0.667(x+9)=14 | | (30-2x)*(20-2x)*x=672 | | 5y+4=3y+6= | | 5x+2+43=90 |