Answered

What is the value of x in x-(3x+5)=7-5x?

Sagot :

x - (3x + 5) = 7 - 5x
x + (-3x - 5) = 7 - 5x
-2x - 5 = 7 - 5x
-2x + 5x = 7 + 5
3x = 12
3x/3 = 12/3

x = 4

Check: x = 4
x - (3x + 5) = 7 - 5x
4 - [ (3)(4) + 5 ] = 7 - 5(4)
4 - (12 + 5) = 7 - 20
4 - 17 = - 13
-13 = - 13