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2x+30=-2x*2
We move all terms to the left:
2x+30-(-2x*2)=0
We get rid of parentheses
2x+2x*2+30=0
Wy multiply elements
2x+4x+30=0
We add all the numbers together, and all the variables
6x+30=0
We move all terms containing x to the left, all other terms to the right
6x=-30
x=-30/6
x=-5
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