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-Dominant- [34]
3 years ago
15

(7x+40)+(6x+43)=180 x? Z?

Mathematics
1 answer:
Tpy6a [65]3 years ago
6 0

(7x + 40) + (6x + 43) = 180\\7x + 40 + 6x + 43 = 180\\7x + 6x = 180 - 40 - 43\\13x = 97\\x = \frac{97}{13}

I'm not sure what you mean by Z but x is \frac{97}{13}

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