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Simplifying 3(x + 4) + 7(x + -5) = 0 Reorder the terms: 3(4 + x) + 7(x + -5) = 0 (4 * 3 + x * 3) + 7(x + -5) = 0 (12 + 3x) + 7(x + -5) = 0 Reorder the terms: 12 + 3x + 7(-5 + x) = 0 12 + 3x + (-5 * 7 + x * 7) = 0 12 + 3x + (-35 + 7x) = 0 Reorder the terms: 12 + -35 + 3x + 7x = 0 Combine like terms: 12 + -35 = -23 -23 + 3x + 7x = 0 Combine like terms: 3x + 7x = 10x -23 + 10x = 0 Solving -23 + 10x = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '23' to each side of the equation. -23 + 23 + 10x = 0 + 23 Combine like terms: -23 + 23 = 0 0 + 10x = 0 + 23 10x = 0 + 23 Combine like terms: 0 + 23 = 23 10x = 23 Divide each side by '10'. x = 2.3 Simplifying x = 2.3
| x+3x=x+20 | | 3=4x^2+x | | 9(9c-1)-2=7979c+9 | | 31+99+x=180 | | 2(b-4)-2(3b-6)=2(3b-8) | | 3x-26=2x | | 34-11=9 | | c+57=117 | | 6678-783966-8929836+63728283= | | 3x+(6-4)=30+8 | | 34-11=0 | | 78.5x+92.95y=21070 | | 5x+55+80=180 | | 2x+(3x-22)=53 | | 3d+8-d-2= | | -(1-5x)x+8=-17+2x | | 7(6x+1)+5=42x+12 | | x+(3x+60)=180 | | 0=-16t(t-64) | | -9x^2+40=-84 | | 3(a-4)=a | | 4.5y+(86-y)=86+4y | | 45r-2=54r-74 | | 7g+4g+g=180 | | 0=-16t(t-9) | | 7+3(3t+6)= | | -16u+6+6u=4u+12 | | 45r-2=54r-75 | | -2(-6n-7)=-70 | | 4(3-y)-3x=-7 | | -2(-6n-7)=70 | | (4x-10)=(3x+10) |