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Simplifying 9 + -5r + 9r = 0 Combine like terms: -5r + 9r = 4r 9 + 4r = 0 Solving 9 + 4r = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 4r = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 4r = 0 + -9 4r = 0 + -9 Combine like terms: 0 + -9 = -9 4r = -9 Divide each side by '4'. r = -2.25 Simplifying r = -2.25
| f(x)=tg(x) | | -7x=8x-165 | | -7=y-1 | | 4x^2+12x-424=0 | | -8=t-5s | | 4x-6+7(x+1)=-3x-4 | | -6=7+f | | n-98=-2 | | 3x^2-211=0 | | 12x-36=6x+6 | | 8(-9x+4)=-3(6x+9)+5 | | h=1.4(1.25)(20) | | 5(x+2)-3x=2(5+10) | | 4-(10-x)+3x=12 | | 0.8(x-100)=150 | | 3(x-5)=2(x+8) | | t^2-2t+15=0 | | 64x^2-40x+25=0 | | 3e+7e+1=36 | | 19.95+0.20x=24.95+0.10x | | 2z+7forz=6 | | 2z+7z=6 | | y-1=3x+3.4 | | 4x+8=5-(9x-6) | | (2y-11)(y^2-3y+2)= | | 1.01=p+0.8 | | -x+9=3-3x | | 1x+6=13x | | 5x+8=3x+21 | | 8(x+1)-4x=2(2x+3)-12 | | 5a/3=30 | | 5r=5.25 |