SOLUTION: 19 solve for x -5x/7=-10/21

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Question 69213: 19 solve for x -5x/7=-10/21
Answer by 303795(602) About Me  (Show Source):
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+-5x%2F7=-10%2F21
Multiply both sides by -21 (to get rid of the minus sign and to get rid of the fractions
+-21%2A%28-5x%2F7%29=-21%2A%28-10%2F21%29
15x=10
divide each side by 15
15x%2F15=10%2F15
x=2%2F3