clara384
04.02.2020 •
Mathematics
To solve this system by substitution, which expression could be substituted for x
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Ответ:
The answer is b
Step-by-step explanation:
you are substituting those numbers in for "x" because that is what the variable "x" will equal. To solve, you just simplify the terms.
Ответ:
jeff jeff
step-by-step explanation: