I need help on algebra review?

Question

ok i'm having a little trouble with this prblem.could you show me how to solve it?thank you!

x-(5-3x)=7x+4

Answer 1

x-(5-3x)=7x+4

get rid of the parentheses by multiplying out the negative sign (infront of the 5 by -1) so u get . . .

x-5+3x=7x+4

combine like terms . . .(get the x's on one side and the constants on the other)

-5=7x+4-3x-x

-5=7x+4-4x

-5=3x+4

-5-4=3x

-9=3x

solve for x (so divide by 3 to get x by itself)

-9/3=3x/3

-3=x