Question

a)x+30=40? b)30-20+2x=10? c)3x-10+13=-2x+28? d)20x-30=40+30-20?

Answer 1

A)

X = 40 -30
X = 10

B)

2X = 10 - 10
X = 0

C)

5x = 25
X = 5

D)

20X = 80
X = 4