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aleksley [76]
3 years ago
11

Pls I need help I’ll give you brainliest

Mathematics
1 answer:
UkoKoshka [18]3 years ago
4 0

Answer:

Step-by-step explanation:

4. 68x+111x+1=180.         x=1.            111(1)+1 = 112.           112 is the answer

5.       8x-3= 21.        x=3

6.          3x-3=x+7

              2x-3=7

                2x=10

                   x=5

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