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7x-1.9x=116.96
We move all terms to the left:
7x-1.9x-(116.96)=0
We add all the numbers together, and all the variables
5.1x-116.96=0
We move all terms containing x to the left, all other terms to the right
5.1x=116.96
x=116.96/5.1
x=22+2.7045454545454/2.8977272727273