Step-by-step explanation:
5x - 7 = 13
5x = 13 + 7
5x = 20
x = 20 ÷ 4 = 5
10x - 14
10(5) - 14 = 50 - 14 = 36
Answer:
Step-by-step explanation:
<u>If we substituted 1 for a then:</u>
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The constant is 6. A constant is just the number on its own. Quadratics follow the form f(x) = ax^2+bx+c. The c is the constant.
Represent the dress price using d.
$23
Savings were 0.18d = $23. Dividing both sides by 0.18, we get d = -------
0.18
= $127.78.
Check: What is 18% of $127.78? 0.18($127.78) = $23.
Thus, the original price was $127.78, the savings $23, and the price paid $104.78.
