Mathematics

Question

solve for x.

8x/7+9=30

a.) x= 18 3/8
b.) x= 24
c.) x= 34 1/8
d.) x= 44 4/7

1 Answer

  • [tex] \frac{8x}{7} [/tex]+9=30
    [tex] \frac{8x}{7} [/tex]=21 {subtract 9 from both sides}
    8x=147 {multiply both sides by 7 to cancel out the division (fraction)}
    x=18.375 {divide both sides by 8}
    The answer is A) 18 3/8
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