Step-by-step explanation:
2x +8y = 54
x + 9y = 67
x = 67 - 9y
2(67-9y) + 8y = 54
434 - 18y + 8y = 54
434 - 10y = 54
10y = 54 - 434
10y = -380
y = -38
Answer:
The answer is 12 I believe
Step-by-step explanation:
You just want to add all the numbers you already have and subtract that with your perimeter to get 12. So 7+15+16=38; 50-38=12.
Answer:
The answer is 0.1x-16
Step-by-step explanation:
-3.4x+3x+.5x=0.1x and -25+9 is -16 which is 0.1x-16
Answer:
3
Step-by-step explanation:
2 + 2 = 4
4 - 1 = 3