The distributive property of multiplication justifies which of the following statements?
a 4(y – z) = 4(y) + 4(-z)
b 3(s) + 3(t) = 9(st)
c 8 + (-8) = 0
d (a + b) + c = (c + a) + b

let's solve your equation step-by-step.

4x+2=2x+12

step 1: subtract 2x from both sides.

4x+2−2x=2x+12−2x

2x+2=12

step 2: subtract 2 from both sides.

2x+2−2=12−2

2x=10

step 3: divide both sides by 2.

2x

2

=

10

2

x=5

step-by-step explanation:

2.2°  

step-by-step explanation:

let θ = the angle of elevation.

tanθ =77/2020

tanθ = 0.038 12

      θ = tan⁻¹0.038 12

      θ = 2.2°