Answer:
6x + 3
Step-by-step explanation:
'x' and '5x' are like terms. Combining them will simplify the expression.

Hope this helps.
Answer:
x=2
Step-by-step explanation:
2x+8=8x-4
2x+12=8x
12=6x
2=x
x=2
Answer:
7
Step-by-step explanation:
It couldn’t be anything else but C line reflection i’m assuming
The sum of length and width is half the perimeter, 160 yd. The length is the average of the sum and difference of dimensions:
.. (160 +20)/2 = 90
Then the width is 160 -90 = 70
The rectangular field is 70 yd by 90 yd.