The equivalent expressions is 6a -4b + 11.
Those expressions that might look different but their simplified forms are same expressions are called equivalent expressions.
To derive equivalent expressions of some expression, we can either make it look more complex or simple. Usually, we simplify it.
Given expression;
(8a - 3b + 7) - (2 a + b - 4)
Distribute the negative;
8a - 3b + 7 - 2 a - b + 4
6a -4b + 11
Thus, the equivalent expressions is 6a -4b + 11.
Learn more about expressions;
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