3 years ago

Find the value of x. Only need 7 and 9 answered.

Mathematics

1 answer:

zalisa [80]3 years ago

7 0

Answer:

Step-by-step explanation

$\frac{6}{6+6} =\frac{8}{8+8} =\frac{7}{x} \\\frac{1}{2} =\frac{7}{x} \\x=7*2=14$

$\frac{x+1}{12} =\frac{x-1}{8} \\12x-12=8x+8\\12x-8x=8+12\\4x=20\\x=20/4=5$

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Step-by-step explanation:

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