2(x+5)-5(x+4)=20

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Solution for 2(x+5)-5(x+4)=20 equation:



2(x+5)-5(x+4)=20
We move all terms to the left:
2(x+5)-5(x+4)-(20)=0
We multiply parentheses
2x-5x+10-20-20=0
We add all the numbers together, and all the variables
-3x-30=0
We move all terms containing x to the left, all other terms to the right
-3x=30
x=30/-3
x=-10

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