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Mathematics, 31.12.2019 01:31 strent45

Simplify math equations
1) -13.5a + 34.12b + 65.5a - 32.5b - 35.8a

a) 32.5a + 20.47b
b) 16.2a + 1.62b
c) -18.7a - 26b
d)1.62a + 16.2b

2) 4.2 (3.9r - 5.9s) + 7.9s - 9.53r

a) 16.88r + 6.85s
b) 10.82r + 31.15s
c) 10.82r - 31.15s
d) 6.85r - 16.88s

3) 7p + 20 - 13q - 4q - 18 + 6p

a) 13p + 17q - 2
b) 13p - 17q + 2
c) 3q + 38
d) 3q - 6

4) -15 + 23r + 9r^2 - 16r + 10

a) 9r^ - 10 - 7r
b) 16r^2 - 5
c) 9r^2 - 7r^2 - 5
d) 9r^2 + 7r - 5

5) 5x (3 - 12x) - 3 (4 - 20x^2)

a) 15x - 12
b)15x^2 - 60x
c)60x^2 - 15x
d) 15x^2 - 12x

6) 2/3 × - 4/6 + × + y

a) 5/3x + 5/9y
b) 5/9x + 5/3y
c) 3/5x + 9/5y
d)9/5x + 3/5y

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Simplify math equations
1) -13.5a + 34.12b + 65.5a - 32.5b - 35.8a

a) 32.5a + 20.4...
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