4). x/5 =8
x = 40
5). 2x/3 = 12
2x = 36
x = 36/2 = 18
6). x + 26 =12
x = 12 - 26 = -14
7). 8x + 1 = -23
8x = -23 -1
8x = -24
x = -24/8 = -3
8). 2x + 5 =15
2x = 15 - 5
2x = 10
x = 10/2 = 5
9). 3x - 1 = -29
3x = -29 + 1
3x = -28
x = -28/3 Or 9.33
10). 8x - 12 = 53
8x = 53 + 12
8x = 65
x = 65/8 Or 8.12
11). 4x + 7 = 25
4x = 25 - 7
4x = 18
x =18/4 = 9/2 Or 4.5
Answer:
<h2>x = -1</h2>
Step-by-step explanation:
![x^2+5x+4=0\\\\x^2+x+4x+4=0\\\\x(x+1)+4(x+1)=0\\\\(x+1)(x+4)=0\iff x+1=0\ \vee\ x+4=0\\\\x=-1\ \vee\ x=-4](https://tex.z-dn.net/?f=x%5E2%2B5x%2B4%3D0%5C%5C%5C%5Cx%5E2%2Bx%2B4x%2B4%3D0%5C%5C%5C%5Cx%28x%2B1%29%2B4%28x%2B1%29%3D0%5C%5C%5C%5C%28x%2B1%29%28x%2B4%29%3D0%5Ciff%20x%2B1%3D0%5C%20%5Cvee%5C%20x%2B4%3D0%5C%5C%5C%5Cx%3D-1%5C%20%5Cvee%5C%20x%3D-4)
1,360,720,000/24,151,500=56.34%(rounded)
Answer:
Identity property of multipication
Step-by-step explanation: