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NNADVOKAT [17]
3 years ago
15

8 What value of x makes the equation 5(7x-3) - x=-4x – (-9- 2x) true?

Mathematics
1 answer:
iVinArrow [24]3 years ago
7 0
The value H makes the equation true
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A contractor purchases ceramic tile to remodel a kitchen floor. Each tile cost $4 and the adhesive/grouting material costs $17.8
erma4kov [3.2K]

Answer:

132 tiles

Step-by-step explanation:

Each tile cost $4

The adhesive/grouting material costs $17.82.

If the contractor pays a total of $545.82

Let the number of tiles be represented as x

The equation is represented as:

$17.82 + $4 × x = $545.82

17.82 + 4x = 545.82

Collect like terms

4x = 545.82 - 17.82

4x = 528

Divide bother sides by 4

4x/4 = 528/4

x = 132

The number of ceramic tiles the contractor bought = 132 tiles

8 0
3 years ago
If 115% of a number is 460, what is 75% of that number?
Bond [772]

Answer:

300

Step-by-step explanation:

Step 1:

460/115 = x/75         Equation

Step 2:

115x = 34,500       Multiply

Step 3:

x = 34,500 ÷ 115         Divide

Answer:

x = 300

Hope This Helps :)

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3 years ago
Which expression has the same value as -5, + (-4)?
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