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Aneli [31]
3 years ago
8

Solve for x using cross multiplication. 3x – 5 4 x + 1 x = [?]

Mathematics
2 answers:
Alex3 years ago
7 0

Answer:

x=7

Step-by-step explanation:

3x-5/4=x+1/2

3x-5=2(x+1)

3x-5=2x+2

3x=2x+2+5

3x=2x+7

3x-2x=7

x=7

Pavlova-9 [17]3 years ago
4 0
<h2>x = 7</h2>

Step-by-step explanation:

\frac{3x - 5}{4}  =  \frac{x + 1}{2}  \\ 2(3x - 5) = 4(x + 1) \\ 6x - 10 = 4x  +  4 \\ 6x - 4x = 4 + 10 \\ 2x = 14 \\  \:  \:  \: x =  \frac{14}{2}  \\ x = 7

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