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Simplifying 7m + 20 = 8m + 9 Reorder the terms: 20 + 7m = 8m + 9 Reorder the terms: 20 + 7m = 9 + 8m Solving 20 + 7m = 9 + 8m Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-8m' to each side of the equation. 20 + 7m + -8m = 9 + 8m + -8m Combine like terms: 7m + -8m = -1m 20 + -1m = 9 + 8m + -8m Combine like terms: 8m + -8m = 0 20 + -1m = 9 + 0 20 + -1m = 9 Add '-20' to each side of the equation. 20 + -20 + -1m = 9 + -20 Combine like terms: 20 + -20 = 0 0 + -1m = 9 + -20 -1m = 9 + -20 Combine like terms: 9 + -20 = -11 -1m = -11 Divide each side by '-1'. m = 11 Simplifying m = 11
| 2(z+4)+6=4(z+2)+3 | | 2m+20=8m+9 | | B+16=-42 | | (2x)+(x+21.5)=122 | | -2(3+6)= | | log(4)64=3 | | 15(-5+y)=-105 | | 5+2x=3x+2 | | 9z=60-z | | 7x+3y=68 | | 3x^2+16=2x^2-10x | | log(3)3=1 | | -x^3+9x=0 | | (x-4)(x-2-3i)= | | x+21.5+2x=58 | | -3(7-4x)+8(8x+3)=-73 | | -3x^3+9x=0 | | 60+20(.10)=X | | -e/-36 | | 18=b-18 | | 60+20(10)=x | | 6x+-2x=-19 | | -e/3=18 | | 2x^2+2x+1=25 | | [3x^4/2y^3]^3 | | x=21-6 | | 2x^2+2x+1=24 | | x+21.5+2x=122 | | 2x^2-2x-1=24 | | x^2-130x+5500=0 | | 3.5/1.5=6/h | | 7x^2+9=11 |