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Verona is solving the equation –3 + 4x = 9. In order to isolate the variable term using the subtraction property of equality, which number should she subtract from both sides of the equation?
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1 vote
Verona is solving the equation –3 + 4x = 9. In order to isolate the variable term using the subtraction property of equality, which number should she subtract from both sides of the equation?

User Pratik Goenka
by
7.2k points

2 Answers

4 votes
-3 + 4x = 9
+3 +3
4x = 12
/4 /4
x = 3
User Lithelike
by
8.4k points
3 votes

The Number is -3

-3+4x = 9

-3-(-3)+4x = 9-(-3)

4x = 12

x = 3

User Dean Radcliffe
by
8.9k points
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