Answer:
A. 2x
Step-by-step explanation:
x + 2x +<u>? </u> = 5x
1x + 2x + ? = 5x
-1x -2x -1x-2x
? = 2x
a. ⅓ × 4
b. ⅖ × 3
c. ⅙ × 3
i think
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