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Simplifying 5(2 + 7) = 20 Combine like terms: 2 + 7 = 9 5(9) = 20 Multiply 5 * 9 45 = 20 Solving 45 = 20 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.
| -x-2y+3z=-8 | | 1/3x-1/5x=0,8 | | 3x^4-18x^3+65x+90=0 | | x+3y+z=6 | | x^2=y^3-10 | | x^2/x^2-9=12-x/x^2-9 | | 20/1.8 | | 10x-5y=26 | | y=-0.1x^2+2x+20 | | 5(8x^4/2x^6) | | 3log(2x-1)=0 | | x^3-6x^2+12x-56=0 | | 831/3 | | x^3-6x^2+12x-8=64 | | 5x-11=7x+12x | | -4/7.(-5) | | 2(2-x)(2-x)+3=0 | | 3y=90-x | | 9/5=x/3 | | x(1-0.02x)=10 | | x(1-0.02x)=20 | | x(1-0.02x)=26 | | 13.14/12= | | 4/6=x/3 | | 12/13.14= | | 13.14/12 | | 40/0.04 |