Answer: 3. x = 20/3 4. x = -11
Explanation:
3. 3x - 5= 15 Add 5 to both sides
+5 +5
3x = 20 Now divide both sides by 3
x = 20/3
4. -2x + 7 =29 Subtract 7 from both sides
-7 -7
-2x = 22 Divide both sides by -2
x = -11
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