Answer:
a. 3 • x = 4 • 9
3x = 36
x = 12
b. 2 (3x + 3) = 3 • 10
6x + 6 = 30
6x = 24
x = 4
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Answer:
a. 3 • x = 4 • 9
3x = 36
x = 12
b. 2 (3x + 3) = 3 • 10
6x + 6 = 30
6x = 24
x = 4