Answer:
To evaluate an algebraic expression, you have to substitute a number for each variable and perform the arithmetic operations. In the example above, the variable x is equal to 6 since 6 + 6 = 12. If we know the value of our variables, we can replace the variables with their values and then evaluate the expression.
Step-by-step explanation:
sorry i have to comment to "answer" a question... so i can ask a question.. have a nice day.
Get all the m’s together all the 1’s and all the 2’s
Answer:
b=72
Step-by-step explanation:
-3 plus or minus (i) square root of seven
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