x/2-15+x=90

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Solution for x/2-15+x=90 equation: 



x/2-15+x=90

We move all terms to the left:

x/2-15+x-(90)=0

We add all the numbers together, and all the variables

x+x/2-105=0

We multiply all the terms by the denominator


x*2+x-105*2=0

We add all the numbers together, and all the variables

x+x*2-210=0

Wy multiply elements

x+2x-210=0

We add all the numbers together, and all the variables

3x-210=0

We move all terms containing x to the left, all other terms to the right

3x=210

x=210/3

x=70

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