90+x+(x-48)=180

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Solution for 90+x+(x-48)=180 equation:



90+x+(x-48)=180
We move all terms to the left:
90+x+(x-48)-(180)=0
We add all the numbers together, and all the variables
x+(x-48)-90=0
We get rid of parentheses
x+x-48-90=0
We add all the numbers together, and all the variables
2x-138=0
We move all terms containing x to the left, all other terms to the right
2x=138
x=138/2
x=69

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