SOLUTION: pls. help me how to solve this problems. 3a-10=4+a and b+3=2b-7. If you could pls. show me the equations because, i couldn't get the answer. thank you so much.

SOLUTION: pls. help me how to solve this problems. 3a-10=4+a and b+3=2b-7. If you could pls. show me the equations because, i couldn't get the answer. thank you so much.

Algebra.Com

Question 13990: pls. help me how to solve this problems. 3a-10=4+a and b+3=2b-7. If you could pls. show me the equations because, i couldn't get the answer. thank you so much.
Answer by LilSkittleMd(119) (Show Source): You can put this solution on YOUR website!
3a-10=4+a
Subtract a from both sides
2a-10=4
add 10 to both sides
2a=14
divide each side by 2
a=7
b+3=2b-7
subtract b from both sides
3=b-7
add 7 to both sides
10=b

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