5 x -4
The equivalent expression of 3x-9 plus 3x plus 5 is negative 4.
The expression IS 5*4 - 8.
4
(-5) + (-4) = -9
4
Expression 1: 2x + 5 - 3y Expression 2: 7(2x + 5 - 3y) Expression 3: 7xy(2 + 5 - 3) Expression 4: 7x(2+5+3y)
Negative 5 is less than negative 4.
It is: -4+5 = 1
-9 + 4 = -5 (negative 5)
A negative times a negative is a positive (-4)(-5) = positive 20
4 - (-5) = 4 + 5 = 9.
By changing the sign of the second number.