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Simplifying -7 + 18r = 12r + 7r + -18 Reorder the terms: -7 + 18r = -18 + 12r + 7r Combine like terms: 12r + 7r = 19r -7 + 18r = -18 + 19r Solving -7 + 18r = -18 + 19r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-19r' to each side of the equation. -7 + 18r + -19r = -18 + 19r + -19r Combine like terms: 18r + -19r = -1r -7 + -1r = -18 + 19r + -19r Combine like terms: 19r + -19r = 0 -7 + -1r = -18 + 0 -7 + -1r = -18 Add '7' to each side of the equation. -7 + 7 + -1r = -18 + 7 Combine like terms: -7 + 7 = 0 0 + -1r = -18 + 7 -1r = -18 + 7 Combine like terms: -18 + 7 = -11 -1r = -11 Divide each side by '-1'. r = 11 Simplifying r = 11
| 10.34+14.1h+5.1h=-10.38+11.8h | | (k-2)x^2+4x-2k+1=0 | | -18.63+3.4t=-1.23+3.3t-18.77 | | 16.5y-18.8+6.92=11.57+20y | | -12-9+5z=3z-11 | | 19+18u=15u-19+11 | | 35=-5/3y | | x*.09=3.5 | | -6p+2=-18p+17+13p | | 4-5d=20+d-5d | | 0.71-0.22n=1.30-0.62n | | ={1-(50000/1000000)}*100 | | -13+14m=12m+17+8m | | ={1-(50000/1000000)^1/10}*100 | | 10g=9g+16 | | -11-5j=-18-6j | | 6.15x+30.75=6.15 | | http://www.thelearningodyssey.com/Assess/DPT/QIEImagesStorage/HSCT_/HSCT_AI13C_13B_stem2_1.gif | | 4.05x+100=16.4025+10x | | -5-n=-(n-9) | | 1x^2-3y^2= | | 1x-3y^2= | | 40+45x=140 | | 20x+80=x+37 | | x^2/5=1/16 | | 10-g=9.1 | | 4(.06m+2.5)=2(2.5m+3.05) | | 3*(9/12) | | -20+6s=8s+20 | | 4*(6/122) | | 11+11q=10q | | 4*6/122 |