Answer:
12.5
10
Step-by-step explanation:
10(1/2+3/4)
5+7.5
12.5
10(1/2)+(8(3/4)-1)
5+(6-1)
5+5
10
Answer:
32.8
Step-by-step explanation:
C^2 - B^2 = A^2
34.6 ^2 - 11^2 = A^2
1197.16 - 121 = A^2
1076.16 = A^2
I believe that the answer is 20.45
Then you are able to substitute in X and it can have a infinite number of values catered to the question.
Answer:
0=0
Step-by-step explanation:
![2(x+1)=3x-x+2\\\\\mathrm{Add\:similar\:elements:}\:3x-x=2x\\2\left(x+1\right)=2x+2\\\\\mathrm{Expand\:}2\left(x+1\right):\quad 2x+2\\2x+2=2x+2\\\\\mathrm{Subtract\:}2\mathrm{\:from\:both\:sides}\\2x+2-2=2x+2-2\\\\Simplify\\2x=2x\\\\\mathrm{Subtract\:}2x\mathrm{\:from\:both\:sides}\\2x-2x=2x-2x\\\\Simplify\\0=0\\\\\mathrm{True\:for\:all}\:x](https://tex.z-dn.net/?f=2%28x%2B1%29%3D3x-x%2B2%5C%5C%5C%5C%5Cmathrm%7BAdd%5C%3Asimilar%5C%3Aelements%3A%7D%5C%3A3x-x%3D2x%5C%5C2%5Cleft%28x%2B1%5Cright%29%3D2x%2B2%5C%5C%5C%5C%5Cmathrm%7BExpand%5C%3A%7D2%5Cleft%28x%2B1%5Cright%29%3A%5Cquad%202x%2B2%5C%5C2x%2B2%3D2x%2B2%5C%5C%5C%5C%5Cmathrm%7BSubtract%5C%3A%7D2%5Cmathrm%7B%5C%3Afrom%5C%3Aboth%5C%3Asides%7D%5C%5C2x%2B2-2%3D2x%2B2-2%5C%5C%5C%5CSimplify%5C%5C2x%3D2x%5C%5C%5C%5C%5Cmathrm%7BSubtract%5C%3A%7D2x%5Cmathrm%7B%5C%3Afrom%5C%3Aboth%5C%3Asides%7D%5C%5C2x-2x%3D2x-2x%5C%5C%5C%5CSimplify%5C%5C0%3D0%5C%5C%5C%5C%5Cmathrm%7BTrue%5C%3Afor%5C%3Aall%7D%5C%3Ax)