t < 7 gives the solution of inequality 3t + 7 < 28
What is an equality?
A statement of an order relationship—greater than, greater than or equal to, less than, or less than or equal to—between two numbers or algebraic expressions.
Given inequality
3t + 7 < 28
⇒ 3t < 28 - 7
⇒ 3t < 21
⇒ t < [tex]\frac{21}{3}[/tex]
⇒ t < 7
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