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Simplifying 12 + 3 = 48 Combine like terms: 12 + 3 = 15 15 = 48 Solving 15 = 48 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
| 231.2=0.8x^2 | | 36000=120x+180y | | -5+3r=1+4r-2+2 | | -6x+9y-(-6x-2y)= | | 29=(4)6+b | | 11=6h+8 | | -5x+4y-(3x+2y)= | | 5x*x-2x-7=0 | | 3x-4-5x=-20 | | y=-1.23*x^2+4.05*x | | 3x+3(x+15)=225 | | -4m-3e-(4m-2e)= | | 5n-15=16n-81 | | 5a-4b-(-3a-5b)= | | 0.5(4x+6)-8=-3+5(1x-2) | | 210/-18 | | 6r-6=4r+10 | | 5(7+x)=15 | | 5m/3m-8= | | 4p-6=3p-3 | | 5x-28=26-2x | | 8b-7c-(-b-c)= | | 1+m+6m=6m+6 | | 15k+5=17k-3 | | 3m/5m-8= | | -(8a+3b)+10(2a-5b)= | | 11x+8=5x+56 | | 5a-4b-(3a-5b)= | | 10x+45=5x | | 5a-4b-(-3-5b)= | | 8x-45=3x | | 144/15 |