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Simplifying x + (2x + 20) = 220 Reorder the terms: x + (20 + 2x) = 220 Remove parenthesis around (20 + 2x) x + 20 + 2x = 220 Reorder the terms: 20 + x + 2x = 220 Combine like terms: x + 2x = 3x 20 + 3x = 220 Solving 20 + 3x = 220 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + -20 + 3x = 220 + -20 Combine like terms: 20 + -20 = 0 0 + 3x = 220 + -20 3x = 220 + -20 Combine like terms: 220 + -20 = 200 3x = 200 Divide each side by '3'. x = 66.66666667 Simplifying x = 66.66666667
| 3x(x+7)=4x(2x-1) | | 4d-9d= | | 18x+3=19x-4 | | -6y+18x=9 | | 3x(x-3)=17 | | 17x+4y=-24 | | 24x=120-8y | | 8x^3-12x^2-4x+4=0 | | 3x+14=-42-x | | 7x+56=4x+41 | | k(-7)= | | 24x+8y=120 | | (5x-3)(x-1)=0 | | y=3x^5+lnx^4 | | x+(2x+12)=270 | | 5=d-7 | | 2y+(y-7)=52 | | 19x+2-4(4x-5)= | | -1.3c=3.9 | | 3.14+4x^2= | | y+20=8 | | y+-10=8 | | In(4t)-ln(3t)=2 | | 12x^2+80x+91=0 | | -4(r+3)=-62 | | 14x+2-5(3x-5)= | | 2/3x+18=1/2x+10 | | 4(4s+3)=44 | | b=1500(1+.09)2 | | 3z+8-z=8+z-7 | | (2x-5)=19 | | 7x+40=320 |