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IrinaK [193]
3 years ago
12

Solving Equations 3k+10=2k-21

Mathematics
1 answer:
Nikolay [14]3 years ago
6 0

3k+10=2k-21

move 2k to the other side

sign changes from +2k to -2k

3k-2k+10=2k-2k-21( combine like terms)

3k-2k+10= -21

k+10=-21

move +10 to the other side

k+10-10= -21-10

k= -21-10

answer:

k= -31

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