Answer:
add 5, add 1, subtract 5, add 9, subtract 3.
Step-by-step explanation:
you add, then add again, and then subtract, then add again, and then subtract again.
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=> 5x + 9 = 4
Adding - 9 on both sides,
=> 5x + 9 - 9 = 4 - 9
=> 5x = - 5
Divide by 5 on both sides,
=> x = - 1
Hence the value of the variable x is - 1
Answer:
$45.00 * 0.30 = $13.50
$45.00 - $13.50 = <em>$31.50</em>