Explanation:
Answer:
4, 5.6, 4.5
a:
5x + 2 = 22
5x = 20
x = 4
b:
2(5x-3) = 50
10x - 6 = 50
10x = 56
x = 5.6
c:
5(2x + 1) = 50
10x + 5 = 50
10x = 45
x = 4.5
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