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lana66690 [7]
3 years ago
14

4x/5-12=20 PLEASE I REALLY NEED HELP

Mathematics
1 answer:
kkurt [141]3 years ago
8 0
\dfrac{4x}{5}-12=20\ \ \ \ |add\ 12\ to\ both\ sides\\\\\dfrac{4x}{5}=32\ \  \ \ |multiply\ both\ sides\ by\ 5\\\\4x=160\ \ \ \ |divide\ both\ sides\ by\ 4\\\\\boxed{x=40}
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Write an equation to solve each problem and then solve it. b In a 3-digit number, the hundreds digit is four more than the ones
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digits are: 0, 4, 8. The required number is: 480.

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→ Let ones digits is 'x', then according to the condition the hundreds digit is 'x+4', and the tens digit is '2(x+4)'.

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3 0
3 years ago
Is subtraction of decimals associative? If not, give a counter example.
Masteriza [31]
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Here is the counter example for the subtraction of decimals:

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4 0
3 years ago
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Step-by-step explanation:

8 0
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