Answer:
5. x= 30
6. x= 34,67
Explanation:
5. 5x = 3x +60
2x = 60
x = 30
6. 11x - 15 + 5x -13 = 180
6x - 28 = 180
6x = 208
x= 34,666667 or 34,(6) or 34,67
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