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Answer:
1025
Step-by-step explanation:
1542-517=1025
Answer:
x = -10
Step-by-step explanation:
move all the constants (numbers without variables) to one side to get
-4x = 42 - 2
-4x = 40
multiply by -1
4x = -40
divide by 4
x = -10
They are adjacent and complementary.
Next to each other and add up to 90 degrees.