Hola me ayudan porfavor mi tarea es de mathematicas es de equaciones, las equaciones son,
20. 2 = 3t - 13
21. 57 = - 8x - 7
22. 18 = 9d - 28
23. 4 = 4 + 7f
24. 21 + 11x = - 1
25. 15x + 4 = 49
ayudenme porfa
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Step-by-step explanation:
20. 3t-13 = 2 or 3t = 15 or t = 5
21. -8x-7 = 57 or 8x = -64 or x = -8
22. 9d - 28 = 18 or d = 46/9
23. 4 = 4 + 7f or 7f = 0 or f = 0
24. 21 + 11x = -1 or 11x = -22 or x = -2
25. 15x + 4 = 49 or 15x = 45 or x = 3
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