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Alexandra [31]
2 years ago
15

Four minus x equals negative two. 4 - x = -2. whats x?

Mathematics
2 answers:
Roman55 [17]2 years ago
6 0

Answer:

X would have to equal 6. To work it out, you subtract 4 from each side to cancel out the 4. -x = -6. You have to make -x just x so you × each side by -1. You get x = 6.

krok68 [10]2 years ago
3 0

Step-by-step explanation:

4 - x =  - 2 \\  - x =  - 2 - 4 \\  - x =  - 6 \\   x = 6

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Cody bought 2 pair of gloves and 4 hats for $43. Tori bought 2 pairs of gloves and 2 hats. Find the prices of the gloves and hat
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<em><u>Question:</u></em>

At a sale on winter clothing, Cody bought two pairs of gloves and four hats for $43.00. Tori bought two pairs of gloves and two hats for $30.00. What were the prices for the gloves and hats?

<em><u>Answer:</u></em>

Price of one pair of gloves is $ 8.5 and price of 1 hat is $ 6.5

<em><u>Solution:</u></em>

Let "g" be the price of one pair of gloves

Let "h" be the price of 1 hat

<em><u>Cody bought 2 pair of gloves and 4 hats for $43</u></em>

Therefore, we frame a equation as:

2 x price of one pair of gloves + 4 x price of 1 hat = 43

2 \times g + 4 \times h = 43

2g + 4h = 43 ----------- eqn 1

<em><u>Tori bought two pairs of gloves and two hats for $30.00</u></em>

Therefore, we frame a equation as:

2 x price of one pair of gloves + 2 x price of 1 hat = 30

2 \times g + 2 \times h = 30

2g + 2h = 30

Divide by 2

g + h = 15

g = 15 - h ----------- eqn 2

<em><u>Let us solve eqn 1 and eqn 2</u></em>

<em><u>Substitute eqn 2 in eqn 1</u></em>

2(15 - h) + 4h = 43

30 - 2h + 4h = 43

2h = 43 - 30

2h = 13

<h3>h = 6.5</h3>

<em><u>Substitute h = 6.5 in eqn 2</u></em>

g = 15 - 6.5

<h3>g = 8.5</h3>

Thus price of one pair of gloves is $ 8.5 and price of 1 hat is $ 6.5

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