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Solve for the missing number - 2 over x - 5 equals 4 over x plus 2?
Wiki User
∙ 13y ago
-2/(x-5) = 4/(x+2) (from this step you have to cross multiply)
-2(x+2) = 4(x-5) (use the distributive property)
-2x - 4 = 4x - 20 (add like terms)
-6x = -16 (divide)
x = 8/3 (answer)
Wiki User
∙ 13y ago
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30
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What does x represent in proportions?
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Solve the equation four over nine times x equals?
(4/9) x = That's not an equation. If there were a number after the 'equals' sign, then we could calculate the value of 'x'. But as it is, there's no question there, so there's nothing to solve.
What is the missing denominator 4 over 20 that equals 6 over what?
30
how do i solve fraction expressions and equation?
the fraction is percent over 100 and fraction over the whole. Whatever number is missing you multiply across in an X with the end being the empty space.
How do you solve x plus 13 over 20?
To solve for x, we'd have to know what this expression equals.
Can you solve d over-7 equals 28?
d = -196
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x=12
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c equals b over 8
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Is it 15 over 40?
