Answer:
18
Explanation:
2/3x + 9 = 4/3x - 3 (given)
2/3 (18) + 9 = 4/3 (18) - 3 (substitute for x)
12 + 9 = 24 - 3 (simplify)
21 = 21 (answer)
18 is correct
SOLUTION:
=) -2/3x - 4/3x = - 3 - 9
=) - 6/3x = - 12
=) -2x = -12
=) x = -12 / -2
=) x = 6
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