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6.8x-4.9(x-1)=7.4
We move all terms to the left:
6.8x-4.9(x-1)-(7.4)=0
We add all the numbers together, and all the variables
6.8x-4.9(x-1)-7.4=0
We multiply parentheses
6.8x-4.9x+4.9-7.4=0
We add all the numbers together, and all the variables
1.9x-2.5=0
We move all terms containing x to the left, all other terms to the right
1.9x=2.5
x=2.5/1.9
x=1+0.6/1.9
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