Question

calcule A) 3×-40+2×=35
B) 3-2×-6=×-18​

Answer 1

a)

3x - 40 + 2x = 35

3x - 2x = 35 + 40

x = 75

b)

3 - 2x - 6 = x - 18​

3 - 6 + 18 = x + 2x

15 = 3x

x = 15 / 3

x = 5