A way to solve a linear system algebraically is to use the substitution method. ... We can substitute y in the second equation with the first equation since y = y.
this is what i know about it
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Answer:
6 times.
Step-by-step explanation:
6x3=18
20-18=2
hope this helps ! </3 ~ alyssa
Natural, Whole, and Integers. Hopefully I helped :)