SOLUTION: -4(a+1)-3a=-7(2a-3) Coul someone show me how to work this out on paper

Question 188169This question is from textbook
: -4(a+1)-3a=-7(2a-3)

Coul someone show me how to work this out on paper This question is from textbook

Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
-4(a+1)-3a=-7(2a-3)
-4a-4-3a=-14a+21
-7a+14a=21+4
7a=25
a=25/7 ans.
PROOF:
-4(25/7+1)-3*25/7=-7(2*25/7-3)
-4(25+7)/7-75/7=-7(50-3*7)/7
-4(32/7)-75/7=-7(50-21)/7
-128/7-75/7=-7(29/7)
-203/7=-203/7
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