Question

A+2B=20
A+B=15
A=?
plz ans​

Answer 1

Hope the attachment helped you out!

Answer 2

Answer:

A=10

Step-by-step explanation:

A+2B=20

A+B+B=20

(A+B)+B=20

(15)+B=20

B=20-15

B=5

Substitute B=5 in A+B=15

A+5=15

A=15-5

A=10

hope its help u

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