Answer:
Explanation:
4(9) + 2(9)
36 + 18
54
4m + 2m, when m=9
Substitute m with 9
4(9)+2(9)
4 × 9 + 2 × 9
Multply, 4×9= 36
36 + 2 × 9
Multply, 2 × 9= 18
Add 36+18
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