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Simplifying -3x + 1 = x + 9 Reorder the terms: 1 + -3x = x + 9 Reorder the terms: 1 + -3x = 9 + x Solving 1 + -3x = 9 + x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1x' to each side of the equation. 1 + -3x + -1x = 9 + x + -1x Combine like terms: -3x + -1x = -4x 1 + -4x = 9 + x + -1x Combine like terms: x + -1x = 0 1 + -4x = 9 + 0 1 + -4x = 9 Add '-1' to each side of the equation. 1 + -1 + -4x = 9 + -1 Combine like terms: 1 + -1 = 0 0 + -4x = 9 + -1 -4x = 9 + -1 Combine like terms: 9 + -1 = 8 -4x = 8 Divide each side by '-4'. x = -2 Simplifying x = -2
| -2+n^2+n=0 | | 1450-y/1450=92.8 | | 1450-y/1450=.928 | | 4x-10+9x=6x+9 | | (105-x/105)100=92.8 | | 12+a^2+7a=0 | | 15x+12y=3000 | | 1*3(2x-5)=3 | | x-7=4x+14 | | m^2-16m+43=4 | | 50x+1.5=750 | | x^2+11x-51=0 | | -x+35=2x+11 | | 3x+9=51-7x | | 0.75+0.16y+0.2y=0.34 | | r^2-6r-14=0 | | 4x+42=x+15 | | 12v-5+10z+8= | | y/3-(y-8)/5=-12/5 | | 3y+5x-18=0 | | y/3-y-8/5=12/5 | | x-5=4x+7 | | 5b(12b+7)=0 | | 8n^2-8=280 | | v^2+8=-6v | | 375x+240=0.6 | | 375x-0.6=240 | | 375-0.6=240 | | 2.7a+159b=1000 | | 0.3a+2.3b=8 | | 1450-x/1450=92.8 | | (-3)(7x^2y-xy+2y)= |