What is (-105 + (-35)) × (-3+5)
a. -280
b. -140
c. 560
d.1,120

(-105 +(-35)) x (2)

(-140) x (2)

= -280. a is your answer. hope this helps!

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: