90x+140(15-x)=1800

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Solution for 90x+140(15-x)=1800 equation:



90x+140(15-x)=1800
We move all terms to the left:
90x+140(15-x)-(1800)=0
We add all the numbers together, and all the variables
90x+140(-1x+15)-1800=0
We multiply parentheses
90x-140x+2100-1800=0
We add all the numbers together, and all the variables
-50x+300=0
We move all terms containing x to the left, all other terms to the right
-50x=-300
x=-300/-50
x=+6

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