Answer: x = 70/3
Step-by-step explanation:
Given equation
3x + 11 = 86 - 5
Simplify by subtraction
3x + 11 = 81
Subtract 11 on both sides
3x + 11 - 11 = 81 - 11
3x = 70
Divide 3 on both sides
3x / 3 = 70 / 3
[tex]\boxed{x=\frac{70}{3} }[/tex]
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