Answer:
C. x is less than or equal to -32.4
Step-by-step explanation:
First, add 49 to both sides, to get
-5x is greater or equal to 162
Now, divide both sides by -5. However, note that in inequalities, when you divide or multiply by a negative number, you must switch the inequality symbol.
Thus,
x is LESS THAN OR EQUAL TO -32.4
Answer:
x = 26 , y = 33
Step-by-step explanation:
3x + 2y = 144 (1)
2x + 5y = 217 (2)
3x + 2y = 144
(divide the equation by 3)
x + (2/3)y = 48
x = 48 - (2/3)y
Plug into (2)
2[48 - (2/3)y] + 5y = 217
96 - (4/3)y + 5y = 217
11y/3 = 217 - 96
11y/3 = 121
y = 121×3/11
y = 33
x = 48 - (2/3)y
x = 48 - (2/3)(33)
x = 48 - 22
x = 26