3 years ago

Click to see the full picture please help I don’t get this

Mathematics

1 answer:

Yanka [14]3 years ago

3 0

Step-by-step explanation:

$- 3(2x + 4) + 4x = 3x + 10$

or,

$- 6x - 12 + 4x = 3x + 10$

or,

$- 12 - 10 = 3x + 6x - 4x$

or,

$- 22 = 5x$

$- 22 \div 5 = x$

$x = - 22 \div 5 \: \: ans$

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3 years ago

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How many 4-digit numbers can be created from the digits 6, 4, 2, 9, 7 and 1 without repeating any?

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