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Minchanka [31]
3 years ago
10

2ax-15=2(x+5)+5(x-1)

Mathematics
1 answer:
Maru [420]3 years ago
5 0
Perform the indicated multiplication:

2ax - 15 = 2x + 10 + 5x - 5

Group x terms together:  7x - 2ax = 5 - 15
                                          x(7-2a) = - 10
                                                    -10
                                           x = ----------
                                                   7-2a

Here, a cannot be 3.5, because the denominator 7-2a would be zero.
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Answer:

The correct options are;

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Step-by-step explanation:

The given information are;

The activity Kirima is engaged in = Building a wall

The process by which she is building the wall includes

1) Construction of a base on the floor

2) Piling blocks of uniform height to form the wall

3) Estimating the height of the wall she is constructing with the expression 0.4·x + 0.6 where the constants which are 0.4 and 0.6 are in meters;

From her procedure, we have the constants, which are the values that do not change as follows;

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Of the two constants, the one that consists of multiple items is the uniform sized blocks as they are laid in brick pattern

There is only one firm base

Therefore, the constant that has a variable is the uniform sized blocks

Which gives in the expression 0.4·x + 0.6, we have;

0.4 = The dimension of the uniform sized blocks

∴ 0.6 = The dimension of the firm base.

7 0
3 years ago
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Step-by-step explanation:

This is what it says in english

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Answer:

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Step-by-step explanation:

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