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19) Solve. x + 4 = 10 A) x = 2 B) x = 3 C) x = 6 D) x = 14

C. x = 6.

Step-by-step explanation:

Subtract 4 from both sides.

You want to make the 4 a 0, so you'll subtract 4 from it. This makes the 4 go away and the 10 goes down to a 6.

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10

answer: i'm great at algebra

~coco

step-by-step explanation: