63 less than four times a number is equal to the number. What is the number?
2 answers:
x = a number
4x - 63 = x
Subtract 4x from both sides.
-63 = -3x
Divide both sides by -3
21 = x
Answer:
21
Step-by-step explanation:
4x - 63 =x
-63=-3x
-63/-3=x
21=x
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