Answer:
x = 20/a
Explanation:
a x + 3 = 23
a × x + 3 = 23
a × x = 20
a/a x = 20/a
Answer: x=20/a
a*x + 3 = 23
a*x + 3-3 = 23-3
a*x = 20
ax/a=20/a
x=20/a
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