0.7(a+4)=0.8(a-3)

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Solution for 0.7(a+4)=0.8(a-3) equation:



0.7(a+4)=0.8(a-3)
We move all terms to the left:
0.7(a+4)-(0.8(a-3))=0
We multiply parentheses
0.7a-(0.8(a-3))+2.8=0
We calculate terms in parentheses: -(0.8(a-3)), so:
0.8(a-3)
We multiply parentheses
0.8a-2.4
Back to the equation:
-(0.8a-2.4)
We get rid of parentheses
0.7a-0.8a+2.4+2.8=0
We add all the numbers together, and all the variables
-0.1a+5.2=0
We move all terms containing a to the left, all other terms to the right
-0.1a=-5.2
a=-5.2/-0.1
a=+52

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