Answer:
x ≤ 7/2
Step-by-step explanation:
Expand brackets: 3x - 15 ≤ x - 8
Subtract x from both sides: 2x - 15 ≤ -8
Add 15 to both sides: 2x ≤ 7
Divide both sides by 2: x ≤ 7/2
X - y = 5
x = y + 5
y = x - 5
Answer:
+10 or -10
Step-by-step explanation:
square root both sides
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