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Solve for x.
2(3-(2x+4))-5(x-7)=3x+1

Solve for xx.\newline2(3(2x+4))5(x7)=3x+1 2(3-(2 x+4))-5(x-7)=3 x+1

Full solution

Q. Solve for xx.\newline2(3(2x+4))5(x7)=3x+1 2(3-(2 x+4))-5(x-7)=3 x+1
  1. Distribute 22 into parentheses: Distribute the 22 into the parentheses (3(2x+4))(3-(2x+4)).2(3(2x+4))=2×32×(2x+4)2(3-(2x+4)) = 2\times3 - 2\times(2x+4)=62×2x2×4= 6 - 2\times2x - 2\times4=64x8= 6 - 4x - 8
  2. Combine like terms: Combine like terms from the result of Step 11.\newline64x8=4x26 - 4x - 8 = -4x - 2
  3. Distribute 5-5 into parentheses: Distribute the 5-5 into the parentheses (x7)(x-7).\newline5(x7)=5×x+5×7-5(x-7) = -5\times x + 5\times 7\newline=5x+35= -5x + 35
  4. Combine results: Combine the results from Step 22 and Step 33.\newline4x25x+35-4x - 2 - 5x + 35
  5. Combine like terms: Combine like terms from the result of Step 44.\newline4x5x=9x-4x - 5x = -9x\newline2+35=33-2 + 35 = 33\newlineSo, 4x25x+35=9x+33-4x - 2 - 5x + 35 = -9x + 33
  6. Write original equation: Write down the original equation with the simplified left side from Step 55.\newline9x+33=3x+1-9x + 33 = 3x + 1
  7. Move terms containing xx: Move all terms containing xx to one side of the equation.\newlineAdd 9x9x to both sides.\newline9x+33+9x=3x+1+9x-9x + 33 + 9x = 3x + 1 + 9x\newline0+33=12x+10 + 33 = 12x + 1
  8. Combine like terms: Combine like terms and isolate the variable xx. \newline33=12x+133 = 12x + 1\newlineSubtract 11 from both sides.\newline331=12x+1133 - 1 = 12x + 1 - 1\newline32=12x32 = 12x
  9. Divide both sides: Divide both sides by 1212 to solve for xx.\newline3212=12x12\frac{32}{12} = \frac{12x}{12}\newlinex=3212x = \frac{32}{12}\newlinex=83x = \frac{8}{3}

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