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harina [27]
3 years ago
14

2x -20 = -30 What is x?

Mathematics
1 answer:
RSB [31]3 years ago
8 0
Answer: x=-5

2x-20=-30
x-10=-15
+10 +10
x=-5

Explanation: first, you need to divide by 2 to both sides. then, add 10 to both sides.

You should get, x=-5.
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