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45+29.50x=90+0.70x
We move all terms to the left:
45+29.50x-(90+0.70x)=0
We add all the numbers together, and all the variables
29.50x-(0.70x+90)+45=0
We get rid of parentheses
29.50x-0.70x-90+45=0
We add all the numbers together, and all the variables
28.8x-45=0
We move all terms containing x to the left, all other terms to the right
28.8x=45
x=45/28.8
x=1+3.8571428571429/6.8571428571429
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