Mathematics
trezzi11
5

1/3x-6=8 I also need help on 0.9x-2.1+0.9=0.2(5-x)

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(1) Answers
Gracie216

[latex]\frac{1}{3}x-6=8\\ \\\frac{1}{3}x =8+6\\ \\\frac{1}{3}x =14 \ \ / *3\\ \\ \not3^1*\frac{1}{\not3^1}x=14*3\\ \\x=42[/latex] [latex]0.9x-2.1+0.9=0.2(5-x)\\ \\ 0.9x-1.2=1 -0.2x \\ \\0.9x+0.2x =1+1.2\\ \\1.1x=2.2 \ \ /*10 \\ \\10*1.1x=10*2.2\\ \\11x=22 \ \ /:11\\ \\x=\frac{22}{11}\\ \\x=2[/latex]

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