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15 February, 07:08

solve 5c + 4 = - 26

A. 6

B. - 6

C. - 4.4

D. 3

solve 3x - x + 2 = 12

A. - 5

B. 4

C. 7

D. 5

solve 3 (x + 1) + 6 = 33

A. 10

B. 8

C. 8.7

D. - 8

solve + = 9

A. 24

B. - 24

C. 78

D. - 78

solve = 7

A. x=3

B. x=5

C. x=6

D. x=10

solve for x : (2x - 8) = 4

A. 2

B. 6

C. 10

D.

+1
Answers (1)
  1. 15 February, 07:21
    0
    1) 5 c + 4 = - 26

    5 c = - 26 - 4

    5 c = - 30

    c = - 30 / 5

    c = - 6 so correct option is B ...

    2) 3 x - x + 2 = 12

    2 x + 2 = 12

    2x = 12-2

    2x = 10

    x = 10/2

    x = 5 so correct option is D

    3) 3 (x + 1) + 6 = 33

    3x + 3 + 6 = 33

    3x + 9 = 33

    3x = 33-9

    3x = 24

    x = 24/3

    x = 8 so correct option is B

    4) y/-6=9

    y=9 x - 6

    y = - 54 there is no such option i guess question is missing

    5) (x + 4) / 2 = 7

    x + 4 = 7 x 2

    x + 4 = 14

    x = 14-4

    x = 10 so correct option is D

    6) 1/3 (2x - 8) = 4

    2x / 3 - 8 / 3 = 4

    2x - 8 / 3 = 4

    2x - 8 = 4 x 3

    2x - 8 = 12

    2x = 12 + 8

    2x = 20

    x = 20/2

    x = 10 so correct option is C
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