TatianaKaplan TatianaKaplan

09-02-2017
Mathematics

Answered

Solve for x.

2x - 6 = 18

3x + 9 = 2x + 24

.4x = 2.4

5x + 4 = 24

2x/3 = 4

3(x + 7) = 51

Verified Answer :

09-02-2017

2x - 6 = 18
2x = 18 + 6 (24)
2x = 24
x = 12

3x + 9 = 2x + 24
3x + 9 = 2x + 24 - 9 (2x + 15)
3x = 2x + 15
3x - 2x = 15
x = 15

4x = 2.4? 0.4x = 2.4? I can't tell what the question is. Let me know in the comments and I'll answer it.

5x + 4 = 24
5x = 24 - 4 (20)
5x = 20
x = 4

2x / 3 = 4
2x = 4 * 3 (12)
x = 6

3(x + 7) = 51
3x + 21 = 51
3x = 51 - 21 (30)
3x = 30
x = 10

Hope I helped :)

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