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anastassius [24]
3 years ago
7

Quick please combining like terms

Mathematics
1 answer:
zheka24 [161]3 years ago
3 0
1) <span>-8(9k - 4)= 9k + 32
    -72k + 32 = 9k + 32
    -72k = 9k
    -8k = k
    0 = k + 8k
    0 = 9k
    0 = k
    k = 0
---------

2) 8m + 6m
    <span>14m
</span>---------

3) </span><span>-6(2 + 3r)
</span>    -12 - 18r
----------

4) <span> 9 + 3n - 2
     3n + 7
----------

5) </span><span>-5(-7 + 4p)
    -5(4p - 7)
    -20p + 35
----------

6) </span><span>2c - 5 + 8c
    (2c + 8c) - 5 
    10c - 5
-----------

7) </span><span>8 + 6z + 3
    6z + 11
-----------

8) </span><span>9p + p
    10p
-----------

9) </span><span> 2(-6b + 5)
     2 </span>× -6n + 2 × 5
     -2 × 6b + 2 × 5
     -12b + 2 × 5
     -12b + 10
-----------

10) <span>8 - 3b + 7
      -3b + 15</span>
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