We know that both lines will be equivalent, so to solve for x we can equate the two expressions
5x = 2x + 63
We will first subtract 2x from both sides
3x = 63
We will then divide both sides by 3
x = 21
Answer:
39 shelves needed to build
Step-by-step explanation:
<em>To find the number of shelves needed we need to divide the number of mystery books by 34</em>
<em>We know that. Each shelf can hold 34.</em>
<em>It is given that, There are 1,326 mystery books</em>
<em>So, 1,326/34</em>
39 shelves needed to build
f(x) = 4x - 18
f(-3) - <em>put x = -3 to the equation of the function</em>
f(-3) = 4(-3) - 18 = -12 - 18 = -30
<h3>Answer: (-3, -30).</h3>
f(x) = -46
We have the equation:
4x - 18 = -46 <em>add 18 to both sides</em>
4x = -28 <em>divide both sides by 4</em>
x = -7
<h3>Answer: (-7, -46)</h3>
First we expand and combine the terms on the left side. This gives us
12x + 32 -4x + 8 = -8x + 40
8x + 40 = -8x + 40. Because the two sides cancel each other out when you try and bring all the x to one side, the answer is x = 0.
Answer: Use the formula A=1/2bh. A is the area, B is the base, and H is the height. It is pretty straight forward from there.
Step-by-step explanation: