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erastova [34]
3 years ago
14

Please help!!!

Mathematics
1 answer:
exis [7]3 years ago
7 0
1) the answer is 2, 12 - 4x = 2x, x=2.
2) x + (x+5) = 17, 2x = 12, x=6.
3) x + (3x-60) = 1220, 4x = 1280. So Fred, x, made $320. Frank made $900.
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