Sagot :
Answer:
4 po
Step-by-step explanation:
7+ 4n = 23
4n = 23 - 7
4n = 16
n = 4
Answer:
8
Step-by-step explanation:
Let the number be x.
4x + 7 = 2x + 23
Subtract 7 to both sides
4x + 7 - 7 = 2x + 23 - 7
4x = 2x + 16
Subtract 2x to both sides
4x - 2x = 2x + 16 - 2x
2x = 16
x = 16/2
x = 8
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