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Eddi Din [679]
2 years ago
5

PLEASE PLEASE ANSWER

Mathematics
2 answers:
lys-0071 [83]2 years ago
6 0

Answer:

42

Step-by-step explanation:

x +10 +128 = 180   {Linear pair}

x  + 138 = 180

x = 180 - 138

x = 42

saul85 [17]2 years ago
3 0

Answer:

Step-by-step explanation:

So the sum of 128 and x+10 is on a straight line which is 180º right?, so:

x + 10 + 128 = 180

x = 180 - 128 - 10

x = 42º

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