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Delvig [45]
3 years ago
8

4x - 1 2. = x + 7 Can someone help please?

Mathematics
2 answers:
ira [324]3 years ago
4 0
<h2>Answer:</h2><h2>19/3 = 6\frac{1}{3}</h2><h2>Step-by-step explanation:</h2><h2>4x -12= x+7\\Collect-Like-Terms\\4x-x =7+12\\3x=19\\Divide -Both-Sides-Of-The-Equation-By ; 3\\\frac{3x}{3} =\frac{19}{3} \\\\x = \frac{19}{3}\\ \\x = 6.3\\</h2>
tatiyna3 years ago
3 0

Answer:

6\frac{1}{3}

Step-by-step explanation:

4x-12 = x+7

4x-12+12 = x+7+12

4x = x+19

4x-x = x+19-x

3x=19

x = 6\frac{1}{3}

And if we substitute the value of x into the equation 4x-12 = x+7,

we will get 13\frac{1}{3} = 13\frac{1}{3} in the end.

Hope this helps :)

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