0.40(x+40)+1.20x=80

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Solution for 0.40(x+40)+1.20x=80 equation:



0.40(x+40)+1.20x=80
We move all terms to the left:
0.40(x+40)+1.20x-(80)=0
We add all the numbers together, and all the variables
1.20x+0.40(x+40)-80=0
We multiply parentheses
1.20x+0.4x+16-80=0
We add all the numbers together, and all the variables
1.6x-64=0
We move all terms containing x to the left, all other terms to the right
1.6x=64
x=64/1.6
x=40

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