2x*(5-3x)+2x*(3x-5)-3*(x-7)=3

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Solution for 2x*(5-3x)+2x*(3x-5)-3*(x-7)=3 equation:



2x(5-3x)+2x(3x-5)-3(x-7)=3
We move all terms to the left:
2x(5-3x)+2x(3x-5)-3(x-7)-(3)=0
We add all the numbers together, and all the variables
2x(-3x+5)+2x(3x-5)-3(x-7)-3=0
We multiply parentheses
-6x^2+6x^2+10x-10x-3x+21-3=0
We add all the numbers together, and all the variables
-3x+18=0
We move all terms containing x to the left, all other terms to the right
-3x=-18
x=-18/-3
x=+6

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