Is x = 7 a solution to the equation 3x - 4 = 15? No Yes
2 answers:
Answer:
No, because 3 x 7 = 21 - 4 = 17
Step-by-step explanation:
Answer:
no
Step-by-step explanation:
To determine if x = 7 is a solution.
Substitute x = 7 into the equation and if left side equals right side then it is a solution
3(7) - 4 = 21 - 4 = 17 ≠ 15
Then x = 7 is not a solution to the equation
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