Answer:
a) x = 7.5
b) x = 1
Step-by-step explanation:
a) 
= x + 7
4x - 1 = 2(x + 7)
4x - 1 = 2x + 14
4x - 2x = 14 + 1
2x = 15
<u>x = 7.5</u>
b) 3x + 2 = 
3(3x + 2) = 2x + 13
9x + 6 = 2x + 13
9x - 2x = 13 - 6
7x = 7
<u>x = 1</u>
REMEMBER: When moving numbers or symbols from one side of an equation to another, you must reverse the mathematical function (e.g. × becomes a ÷, and + becomes a -). A fraction is always a ÷, so when you move the denominator (bottom number), it becomes a ×.
Answer:
$43 + $6l
Step-by-step explanation:
Hello!
She spends $43 and bus several $6 laces.
We don't know how many she buys, but we know that we can represent that number using <em>l</em>.
That means she spends $43 + $6l.
The algebraic expression is $43 + $6l.
We can determine the price if we know the number of laces she buys. We can simply plug in the number of laces she bought, and we can plug it in for l in the equation.
Answer:
the second one
Step-by-step explanation:
when you multiply 2 negative numbers they turn into a positive
15/-5=-3
The answer is $46.22, you do $42.80 plus 8% on a calculator
Answer:
![5\sqrt[4]{x}](https://tex.z-dn.net/?f=5%5Csqrt%5B4%5D%7Bx%7D)
or the fourth answer
Step-by-step explanation:
Apply the rule ![x^{\frac{m}{n}}=\sqrt[n]{x^m}](https://tex.z-dn.net/?f=x%5E%7B%5Cfrac%7Bm%7D%7Bn%7D%7D%3D%5Csqrt%5Bn%5D%7Bx%5Em%7D)
to rewrite the exponentiation as a radical.
![5\sqrt[4]{x^1}](https://tex.z-dn.net/?f=5%5Csqrt%5B4%5D%7Bx%5E1%7D)
Anything raised to 1 is the base itself.
Answer =
Plz mark me brainliest, hope this helps.
