Collect like terms/equations 1. -3x+5-6x 2. 21+4a-13 3. 21+4a-13 4. 15-10b+6b=-5 5. -20=4c+30-2c

Question

Collect like terms/equations
1. -3x+5-6x
2. 21+4a-13
3. 21+4a-13
4. 15-10b+6b=-5
5. -20=4c+30-2c

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Thu Thảo 3 years 2021-09-04T15:23:11+00:00 2 Answers 3 views 0

Answers ( )

  1. sori
    0
    2021-09-04T15:24:20+00:00
    Reply

    1. -9x +5
    2. 8 +4a (Question 2 and 3 the same)
    4. -4b= -20
    5. -50= 2c

  2. kiet
    0
    2021-09-04T15:24:57+00:00
    Reply

    1. -3x and -6x
    2. 21 and -13
    3. 21 and -13
    4. -10b and 6b, 15 and -5
    5. -20 and 30, 4c and -2c

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )