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Mashutka [201]
3 years ago
11

I need help on 31 and 33

Mathematics
2 answers:
irakobra [83]3 years ago
7 0

31.

8 + x/3 = -2

Substract both sides by 8:

x/2 = -10

Multiply:

x = -20

33.

6 * (x + 15) = -42

We can divide both sides by 6:

x + 15 = -7

Substract both sides by 15:

x = -22

makkiz [27]3 years ago
4 0
31:

The Equation:

8 + N/3 = -2

The Equation Solved:

N/3 = -10
3 · N = -10 · 3
N = -30

33:

The Equation:

6 ( N + 15 ) = -42

The Equation Solved:

6N + 90 = -42
6N = -132
N = -22
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