Answer:
1) one solution
2) Infinitely many solution
3) no solution
Step-by-step explanation:
The first equation is -14-8x=-2(-3x+7)
Let us expand the right hand side to get:
-14-8x=-2*-3x+-2*7
We multiply -14-8x=6x-14
We group similar terms to get:
-8x-6x=-14+14
Combine similar terms to get:
-14x=0
Divide through by -14 to get:
x=0
2) The second equation is 3+5x=5(x+2)-7
We expand to obtain:
3+5x=5x+5*2-7
Multiply to get:
3+5x=5x+10-7
This gives us
3+5x=5x+3
5x=5x
1=1
There is infinitely many solutions
3) The third equation is: 36-7x=-7(x-5)
We expand to get:
36-7x=-7x+35
Group similar terms;
-7x+7x=35-36
0=-1
This statement is not true so there is no solution.
6 * 5 = 30 rectangle’s area
14 - 6 = 8 triangle’s base length
bh/2 for area of a triangle
8 * 5 /2 = 20 area of the triangle
20 + 30 = 50 total area
50cm^2
Answer:
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Answer:
y = -3x + 3
Step-by-step explanation:
Since the line is parallel, it has the same slope. Plug the point you have into the equation y - y1 = slope (x -x1) to get your answer, which should be y = -3x +3
Hopefully this helps - let me know if you have any questions!
Answer:
The last thing you need to do to find the value of x is to isolate the variable by dividing both sides of the equation by 2 (the coefficient of the x term ). 2x / 2 = x and 16/2 = 8, this way you will get x = 8.
Step-by-step explanation:
sorry cant type in spanish