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yan [13]
2 years ago
14

(8a+5b−3)+3(b−3) Simplify

Mathematics
2 answers:
Naddika [18.5K]2 years ago
5 0

Answer: 8a+8b−12

Step-by-step explanation: 8a+5b−3+3(b−3)

=8a+5b+−3+(3)(b)+(3)(−3)

=8a+5b+−3+3b+−9

=(8a)+(5b+3b)+(−3+−9)

=8a+8b+−12

Dovator [93]2 years ago
3 0
8a+8b−12...............

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2 years ago
The sum of four<br>consecutive odd number is 8o. Find the number​
yarga [219]

Answer:

<em>The sum of 4 consecutive odd number is 80</em>

<em>Let X be the first of these numbers</em>

<em>Then the next odd number is X+2</em>

<em>The third is X+4The fourth is X+6</em>

<em>All of these add up to 80</em>

<em>(X) + (X+2) + (X+4) + (X+6) = 80</em>

<em>Using the commutative and associative laws, let's transform this equation into</em>

<em>(X + X + X + X) + (2 + 4 + 6) = 804X + 12 = 80</em>

<em>Subtract 12 from both sides of the equation gives4X = 68</em>

<em>Divide both sides by 4 gives</em>

<em>X = 17</em>

<em>Going back to the original question:What are the 4 consecutive odd numbers: 17, 19, 21, 23Checking our answer:17 + 19 + 21 + 23 = 80 Correct!</em>

5 0
2 years ago
<img src="https://tex.z-dn.net/?f=3x%20%7B%20%7D%5E%7B2%7D%20%20%3D%20%20-%2054%20" id="TexFormula1" title="3x { }^{2} = - 54
valkas [14]

Answer:

No real solutions

Step-by-step explanation:

Divide both sides by 3

3x^3/3=-54/3

x^2=-18

Take square root

x=±√−18

4 0
3 years ago
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