300 girls will do gym on Saturday. 100 girls did gym on Thursday, and 93 girls did gym on Friday. How many more girls will do gy
1 answer:
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Answer:
<h2>x = 5</h2>Step-by-step explanation:
Answer:
Step-by-step explanation:
Hello,
let's find a and b reals so that
we identify the terms in
9 = 3a
we identify the terms in x
-18 = 3b + a
we identify the constant terms
-7 = b
so ti goes with a = 9/3 = 3, b = -7
so we can write
so
hope this helps