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liraira [26]
4 years ago
13

Please help, would be greatly appreciated

Mathematics
1 answer:
velikii [3]4 years ago
6 0
1. We first simplify both sides of the equation, factoring the parentheses and adding like numbers:
5x - (x + 3) =  \frac{1}{3} (9x + 18) - 5 \\ 5x - x - 3 = 3x + 6 - 5 \\ 4x - 3 = 3x + 1
Then, we move all the Xs to one side and all the numbers to the other by subtracting 3x from both sides and adding 3 to both sides:
4x - 3 = 3x + 1 \\ 4x - 3x = 1 + 3 \\ x  = 4
We get x = 4.


2. First, we simplify:5(3x + 9) - 2x = 15x - 2(x - 5) \\ 15x + 45 - 2x = 15x - 2x + 10 \\ 13x + 45 = 13x + 10
Then, we try to move the Xs to one side, but we get 13x - 13x, which equals 0x. This problem is impossible, as it states 45 = 10.
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