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Deffense [45]
3 years ago
12

Solve the following equations : 2(x -1) + 3(x +1)=4(x+4)

Mathematics
1 answer:
madreJ [45]3 years ago
3 0
This is how I'd work it:

2(x-1)+3(x+1)=4(x+4)
     2x-2+3x+3=4x+16
              5x+1=4x+16
                    <u>x=15</u>

To check, substitute x into the original equation and solve: 

2(15-1)+3(15+1)=4(15+4)
                28+48=76
                      76=76 
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