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For the equation 3(7 + x) = 3x + k, which value of k will create an equation with no solutions A. x B. 3x C.15 D.21

For the equation 3(7 + x) = 3x + k, which value of k will create an equation with no solutions A. x B. 3x C.15 D.21
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2 votes
For the equation 3(7 + x) = 3x + k, which value of k will create an equation with no solutions

A. x
B. 3x
C.15
D.21

User Vishal Shukla
by
7.3k points

1 Answer

7 votes
3(7+x)= 3x+15
21+3x=3x+15
21-3x=-3x+15
21=15
not a solution so the answer is C. 15
User Giora Simchoni
by
8.1k points
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