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5=2.5*0.3+x*120
We move all terms to the left:
5-(2.5*0.3+x*120)=0
We add all the numbers together, and all the variables
-(x*120+0.75)+5=0
We get rid of parentheses
-x*120-0.75+5=0
We add all the numbers together, and all the variables
-x*120+4.25=0
Wy multiply elements
-120x+4.25=0
We move all terms containing x to the left, all other terms to the right
-120x=-4.25
x=-4.25/-120
x=1/28.2352941176
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