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Trey Butler
Mathematics
11 February, 16:28
Find the value of
3k-7 if k=-4
+3
Answers (
2
)
Lilliana
11 February, 16:41
0
Sub k=-4 into first equation. 3*-4=-12. - 12-7=-19
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Brynlee Cowan
11 February, 16:53
0
-19
Step-by-step explanation:
first substitute K for - 4
3 (-4) - 7
then multiply 3 and - 4
3 times - 4=-12
-12-7=-19
Answer check
to check the answer u can just take the equation which is 3k-7 and the solution
3k-7=-19
and solve for K
add 7 on both sides
3k=-12
divide 3 on both sides
K=-4
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