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-Dominant- [34]

3 years ago

15

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

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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