122+x+42+x+100=90

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Solution for 122+x+42+x+100=90 equation:



122+x+42+x+100=90
We move all terms to the left:
122+x+42+x+100-(90)=0
We add all the numbers together, and all the variables
2x+174=0
We move all terms containing x to the left, all other terms to the right
2x=-174
x=-174/2
x=-87

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