Smh i seriously don’t understand how i’m this freaking dumb

9) 3x-6 = 4-2x

add 6 to each side:

3x = 10-2x

Add 2x to each side:

5x = 10

Divide both sides by 5:

x = 10/5

x = 2

10) 3x +x = 2x +6

combine like terms on the left side:

4x = 2x +6

subtract 2x from each side:

2x = 6

Divide both sides by 2:

x = 6/2

x =3

11) 6x = 2 + x +8

Combine like terms on the right side:

6x = x +10

Subtract 1x from each side:

5x = 10

Divide both sides by 5:

x = 10/5

x = 2

12) 6x+2-2x = x +8

Combine like terms on the left side:

4x +2 = x +8

Subtract 2 from each side:

4x = x +6

Subtract 1x from each side:

3x = 6

Divide both sides by 3:

x = 6/3

x = 2

let m = monomial

let t = trinomial

so, m times t = t.

monomial times a trinomial = another trinomial.

sorry i need the points

step-by-step explanation:

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