3x+5+4x=77x-15

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Solution for 3x+5+4x=77x-15 equation:



3x+5+4x=77x-15
We move all terms to the left:
3x+5+4x-(77x-15)=0
We add all the numbers together, and all the variables
7x-(77x-15)+5=0
We get rid of parentheses
7x-77x+15+5=0
We add all the numbers together, and all the variables
-70x+20=0
We move all terms containing x to the left, all other terms to the right
-70x=-20
x=-20/-70
x=2/7

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