The value of the expression 3b - a is 19 when a= -7 and b=4 the answer is 19.
What is an expression?
It is defined as the combination of constants and variables with mathematical operators.
We have an expression:
= 3b - a
Plug a = -7 and b = 4
= 3(4) - (-7)
= 12+7
= 19
Thus, the value of the expression 3b - a is 19 when a= -7 and b=4 the answer is 19.
Learn more about the expression here:
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