Question

1) 2x + 13 = x + 8

Answer 1

Answer:

1) -5 = x

2) 1 = x

3) 4⅘ = x

4) 6 = x

5) 7½ = x

6) 1⅒ = x

7) ⅜ = x

Step-by-step explanation:

7) 3x + ¾ = x + 3⁄2

- 3x - 3x

__________________

¾ = -2x + 3⁄2

-3⁄2 - 3⁄2

___________

-¾ = -2x

___ ____

-¾ -¾

$\frac{3}{8} = x$

6) x + ⅘ = 3 - x

- x - x

_______________

⅘ = 3 - 2x

-3 - 3

__________

-2⅕ = -2x

____ ___

-2 -2

$1 \frac{1}{10} = x$

5)

$\frac{x}{3} - \frac{3}{4} = \frac{7}{4} >> \frac{4x}{12} - \frac{9}{12} = \frac{21}{12} >> 7\frac{1}{2} = x$

4) ˣ⁄2 + 4 = 7

- 4 - 4

__________

ˣ⁄2 = 3

$6 = x$

3)

$x + (12 - 3x) = 3 - (5 - x)3 \\ \\ 12 - 2x = 3 - 15 + 3x >> 12 - 2x = -12 + 3x$

12 - 2x = -12 + 3x

- 3x - 3x

__________________

12 - 5x = -12

-12 - 12

_____________

-5x = -24

___ ___

-5 -5

$4 \frac{4}{5} = x$

2) 4x + 11 = 17 - 2x

- 4x - 4x

____________________

11 = 17 - 6x

-17 -17

____________

-6 = -6x

__ ___

-6 -6

$1 = x$

1) 2x + 13 = x + 8

- 2x - 2x

________________

13 = -x + 8

- 8 - 8

____________

5 = -x

$-5 = x$

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