In order to isolate the variable term in the equation 6 – 2x = –3 using the subtraction property of equality, which number should be subtracted from both sides of the equation?
Answer
A
–3
B
–2
C
3
D
6
Explanation
To isolate the variable term −2x, remove the +6 on the left by subtracting 6 from both sides. This gives −2x = −3 − 6 = −9. The number to subtract is 6, choice D.
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