Question

necesito ayuda porfa.

10+ X =60
40+ X = 65
2 + X = 10
13 + X = 30
9+ X = 15

100-X = 85
72‐x = 30
130-X = 80
190-X = 70
55-X = 72
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Answer 1

ahi esta espero que te ayude :)

army verdad?