SOLUTION: have i done this right? the equation is {{{-2(x-3)=3(x-7)}}} -2x-5=3x-21 -3x -3x -5x

Question 670684: have i done this right?
the equation is

-2x-5=3x-21
-3x -3x
-5x-5=-21
+5 +5
-5x=-27
-5x\5=-27\5
x=-5.4

Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

.....first, multiply by ; that means multiply by and multiply by
........be careful with signs:
recall that (+)(+)=+
(+)*(+)=+
(-)*(+)=-
(+)*(-)=-
(-)*(-)=+
....do same on right side

...move to the right side (note that it will change sign and become ) and {{-21}}} to the left side note that it will change sign and become )

......divide by

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