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3 years ago

Write the expression with fewer terms: 10x - 3 - 2x - 5

Mathematics

2 answers:

miv72 [106K]3 years ago

8 0

Answer:

8x-8

Step-by-step explanation:

10x-2x=8x

-3-5=-8

serg [7]3 years ago

4 0

Answer: 8x - 8

Steps:
COMBINE LIKE TERMS
10x - 3 - 2x -5
8x - 8

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Answer:

$a:b = -17:1$

Step-by-step explanation:

Given

$\frac{a-3b}{a+2b} = \frac{4}{3}$

Required

Find a:b

$\frac{a-3b}{a+2b} = \frac{4}{3}$

Cross Multiply

$3(a-3b) = 4(a+2b)$

Open brackets

$3a - 9b = 4a + 8b$

Collect Like Terms

$3a - 4a = 8b+9b$

$-a = 17b$

Divide through by -b

$\frac{-a}{-b} = \frac{17b}{-b}$

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Represent as a ratio

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