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lesya692 [45]
4 years ago
10

Solve for a : C + 3a = 7

Mathematics
2 answers:
Cerrena [4.2K]4 years ago
6 0
A= 7 - C
        3            C+3a=7
                      -C        -C
                      3a = 7-C
                       3       3
                        A = 7 - C
                                  3
vodka [1.7K]4 years ago
5 0
C + 3a= 7
C-C+3a= 7-C
3a= 7-C
3a/3= (7-C)/3
a= (7-C)/3
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