You can put this solution on YOUR website! 6x-(4x-7)=9x-28
Subtract he 6x-4x; 2x
2x-7=9x-28
Now subtract 9x from both sides:
2x-7-9x=9x-28-9x
2x-9x-7=-28
-7x-7=-28
Add seven to both sides;
-7x-7+7=-28+7
-7x=-21; now divide both sides by -7
x=3
Hope you understand
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