2x+2.50+0.8(2x+2.50)+3=13.80

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Solution for 2x+2.50+0.8(2x+2.50)+3=13.80 equation:



2x+2.50+0.8(2x+2.50)+3=13.80
We move all terms to the left:
2x+2.50+0.8(2x+2.50)+3-(13.80)=0
We add all the numbers together, and all the variables
2x+0.8(2x+2.5)+2.50+3-(13.8)=0
We add all the numbers together, and all the variables
2x+0.8(2x+2.5)-8.3=0
We multiply parentheses
2x+1.6x+2-8.3=0
We add all the numbers together, and all the variables
3.6x-6.3=0
We move all terms containing x to the left, all other terms to the right
3.6x=6.3
x=6.3/3.6
x=1+2.7/3.6

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