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Korolek [52]
3 years ago
7

How do you find what x equals step by step?

Mathematics
2 answers:
viktelen [127]3 years ago
7 0

Answer:

x=7

Step-by-step explanation:

The angles will always add up to 180.

Subtract 76 from 180, giving you 104

So now, your other two angles when added together equals 104.

104=5x+6+8x+7

Add your like terms, so add 5x and 8x to give you 13x, and add 6 and 7 to give you 13. Subtract 13 from both sides, leaving you with 91=13x

Divide 13 from both sides, giving you 7=x

Now plug in the 7 for the x for the original expressions. So 5x+6= 5×7+6

5×7=35+6=41

8x+7=8×7+7

8×7=56+7

56+7=63

Zielflug [23.3K]3 years ago
4 0

Answer:

x=7.

If you need more explanation I can help, just ask

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