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sdas [7]
3 years ago
11

Solve this equation please.... 7x+20+9x-2=180

Mathematics
2 answers:
Mila [183]3 years ago
8 0

7x+20+9x-2=180

16x+20-2=180

16x-18=180

+18 to both sides...

16x=198

divide by 16 to both sides...

x=12.375!

mestny [16]3 years ago
8 0

Answers: ⇒ x=\frac{81}{8}

7x+20+9x-2=180

7x+9x+20-2=180

16x+20-2=180

16x+18=180

16x+18-18=180-18

16x=162

\frac{16x}{16}= \frac{162}{16}

x=\frac{81}{8}

Hope this helps!

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