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1. What is the solution of equation mx - n = 0?
2. What is the additive inverse of (-9)?
3. Solve: 5 + 4x = 1 - 2x.
4. Find the value of 53 x 102.
5. Find the complement of 43º.
6. Find the supplement of 102°.
7. Verify a - (-5) = a + b for a = 23 and b = 15.
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Answer:
2)9
3)5+4x=1-2x
4x+2x=1-5
6x=-4
x=-4/6
x=-2/3
5)90-43
47
6)180-102
78
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