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Simplifying 7 + -3 = 2x + -3 Combine like terms: 7 + -3 = 4 4 = 2x + -3 Reorder the terms: 4 = -3 + 2x Solving 4 = -3 + 2x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2x' to each side of the equation. 4 + -2x = -3 + 2x + -2x Combine like terms: 2x + -2x = 0 4 + -2x = -3 + 0 4 + -2x = -3 Add '-4' to each side of the equation. 4 + -4 + -2x = -3 + -4 Combine like terms: 4 + -4 = 0 0 + -2x = -3 + -4 -2x = -3 + -4 Combine like terms: -3 + -4 = -7 -2x = -7 Divide each side by '-2'. x = 3.5 Simplifying x = 3.5
| 3n+2x+1y=30 | | 13x+21=4x+129 | | 69=8x+5 | | 2cosx-2=-2 | | 9(x-1)=3x+33 | | 6.75+1.25m=31.75 | | f(-2)=2x^2-9 | | 3+11+8r=29 | | 72+x=70 | | 12x+6=6x+12 | | 90=38.74+.25x | | 4x+0.8=20 | | x-5=2-3x | | 73+x=70 | | 49.99c=235.99 | | 12c-2c-4= | | 4(x+1)+45=-3x | | 3n+2x+1y=3016 | | 11c+19c= | | 3.5=6x+8y | | f(1)=7(1)+6 | | 27000=.75*(40000-3000-x) | | 2=5x-54 | | 27000=.75*(40000-x) | | 8x+30x^2-6=0 | | .55+1.2(1.2+0.2x)=0.75(x+0.6) | | 6(x+4)-7=28 | | 12.88-0.88(x+0.5)=.25x+2(x-3.17) | | f(3)=5(3)+9 | | 3=5(3)+9 | | 4x^2-20x+p=0 | | -3(x+3)=2(x+8) |