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Simplifying 7(3x + 1) + -3 = 9 Reorder the terms: 7(1 + 3x) + -3 = 9 (1 * 7 + 3x * 7) + -3 = 9 (7 + 21x) + -3 = 9 Reorder the terms: 7 + -3 + 21x = 9 Combine like terms: 7 + -3 = 4 4 + 21x = 9 Solving 4 + 21x = 9 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 21x = 9 + -4 Combine like terms: 4 + -4 = 0 0 + 21x = 9 + -4 21x = 9 + -4 Combine like terms: 9 + -4 = 5 21x = 5 Divide each side by '21'. x = 0.2380952381 Simplifying x = 0.2380952381
| 7x(3x+1)-3=9 | | x^2-y^2=69 | | f(x)=2x^2-12x+10 | | y-6+3(2y+3)=-5(y+1) | | 9(u-3)=-2u-38 | | 6y-24=9(y-4) | | -9(y-7)=2y+30 | | 8(v+7)+7v=-4 | | (3x-4)+x+8y+7+2y+5=360 | | -29=-2x+5(x-4) | | -p+7p=6p | | (3q^3-6q)/3q | | 3=4u+7(u+2) | | 10*X=5.5597 | | -14=8y+5(y-8) | | 4-cos(2x)+5*sin(x)=0 | | m^3+m^2-6m=0 | | m^3-m^2+6m=0 | | x-(0.15x)=5000 | | 8a^2-16a+5=0 | | x=(0.15x)+5000 | | x=y+(x*0.15) | | 14+6m=5m+6 | | 2x^2+21x-135=0 | | -7+4(w+3)=39 | | 2onx= | | -3v+5(v-6)=-34 | | -3v+5(y-6)=-34 | | 2i/6-7i | | sin^2(x)=0.49 | | 3x+159=13x-11 | | x+137=530 |