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Mathematics
Karen Dunlap
12 November, 11:11
5 (3x - 9) = 2 (6x + 9)
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Angel Crawford
12 November, 12:06
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You just have to simply 5 with 3 and 9 with - 9 do the same to the other side simply 2 with 6 and 2 with 9 after that you have to subract the two sides with each other to divide and then get the answer to X
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Maeve Graves
12 November, 14:11
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x=21
Step-by-step explanation:
In this equation, you'll have to multiply what ever you have to. So let's start with 5 (3x-9). It's same as multiplying to both 3x and - 9. So you will get 15x-45. On the other side, we got 2 (6x+9). Also, it's same as you multiply 2 on both 6x and 9. So it would be 12x+18. Let's write equation for what we got. 15x-45=12x+18. But now, you have to move x to only one side and other numbers to the other side. Lets start with variable x. I will subtract 12x to both sides. That means that 12x on other side will be gone and I'll subtract 12x to 15x which gives me an 3x. So equation will be like 3x-45=18. Because x value have to me alone, I'm going to ADD 45 to both sides to cancel - 45 on other side and move - 45 to the other side. 45+18 is 63. So you're semi-final equation will be 3x=63. Last step is make sure you check any variables or numbers to combine or move. If not, you're going to make variable to be one. To do that, you're going to divide 3 for both sides to make x as one and move 3 times to the other side. So you're final answer will be x=21!
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