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ahrayia [7]
3 years ago
13

PLEASE HELP 60 POINTS if l || m, find the value of x

Mathematics
2 answers:
VMariaS [17]3 years ago
7 0

Answer:

x = 15

Step-by-step explanation:

84 = 5x + 9

Subtract 9

75 = 5x

Divide by 5

x = 15

Semmy [17]3 years ago
6 0

Answer:

x = 15

Step-by-step explanation:

5x + 9 and 84 are alternate angles and are congruent , so

5x + 9 = 84 ( subtract 9 from both sides )

5x = 75 ( divide both sides by 5 )

x = 15

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