Substitution is a method of finding x or y value by taking,
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1st full equation in name of x and substituting to get the value.
Hope helped
Answer:
20 because 40 is a positive and spent is negative
Step-by-step explanation:
Answers may vary here are all the possible answers:
(R) = red
(G)= green
12 (R) 1 (G)
11 (R) 2 (G)
10 (R) 3 (G)
9 (R) 4 (G)
8 (R) 5 (G)
7 (R) 6 (G)
