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Simplifying x + 2x + 1 = 4 Reorder the terms: 1 + x + 2x = 4 Combine like terms: x + 2x = 3x 1 + 3x = 4 Solving 1 + 3x = 4 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 3x = 4 + -1 Combine like terms: 1 + -1 = 0 0 + 3x = 4 + -1 3x = 4 + -1 Combine like terms: 4 + -1 = 3 3x = 3 Divide each side by '3'. x = 1 Simplifying x = 1
| -43-3x+7x=25 | | 17=1-3x-2 | | 2(n+5)=7n-16-4 | | 2+6x=7+3x | | 19-2(x+4)=3x-5+6x | | x^2+4x+3=4x^2+2x-1 | | 4x+2x+5x=130 | | 7x-12x-28=47 | | 3m-5+m=11 | | -6+1=25 | | -2=6-4p | | x*2+4*x+3=4*x^2+2*x-1 | | 5x+4x-59=58 | | r^2-r+r-1=0 | | -7=w-22/3 | | 9k^2-30k+1=-24 | | 4(2m+5)=5(m+5)-7m | | 11x-86-x=94 | | 9k^2-30k=-25 | | m=3n+2p | | -3x-85+10x=34 | | -2x-5(x-3)=9 | | 2(h+1)=2 | | a^2x+ax+6a=a^2+12x+9 | | a^2x-4x-a=0 | | 2y-2y-7=6y+3-9y | | 5-n+7= | | 155/5 | | 0.2(2x-15)+0.6x=4.25 | | -i(4-8)= | | 0=4+5k-3k | | 5/155 |