30 + 5x = 15 + 10x
30 = 15 + 5x
15 = 5x
x = 3
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It is: x = 1.2
It is a linear equation in x. 10x = 7x + 15 3x = 15 x = 5
That depends entirely on the value of x.
If: 10x+7 = 5x+22 Then: 10x-5x = 22-7 And: 5x = 15 So: x = 3
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