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12r2s + 21rs2 – 3rs=
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3 votes
12r2s + 21rs2 – 3rs=

User Tennisgent
by
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1 Answer

6 votes
answer:
63rs

Step-by-step explanation:
collect like terms
12*2=24rs
21*2=42rs
then add 24+42=66rs
then subtract 3rs
then just add rs
User Himujjal
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4.8k points
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