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If Maths equation3x plus 6 equals 21, what does Maths equationequal?
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If Maths equation3x plus 6 equals 21, what does Maths equationequal?

User Ayman Khamouma
by
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1 Answer

2 votes
Step 1: Subtract 6 from both sides
3x + 6 = 21
-6 -6

Step 2: Divide both sides by 3
3x = 15
/3 /3

Answer: x = 5
User Gelya
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