2x + 5y = -3 ⇒ 2x + 5y = -3
1x + 8y = 4 ⇒ <u>2x + 16y = 8
</u> -<u>11y</u> = <u>-11 </u>
-11 -11
y = 1
2x + 5(1) = -3
2x + 5 = -3
<u> -5 -5</u>
<u>2x</u> = <u>-8</u>
2 2
x = -4
(x, y) = (-4, 1)
2x + 1y = 7 ⇒ 2x + 1y = 7
1x - 2y = -14 ⇒ <u>2x - 4y = -28</u>
<u>5y</u> = <u>35</u>
5 5
y = 7
2x + 7 = 7
<u> -7 -7</u>
<u>2x</u> = <u>0</u>
2 2
x = 0
(x, y) = (0, 7)
<h2>
Hello!</h2>
The answer is:
The expression for the number of sweets that Sara and Tim have now, are:
<h2>
Why?</h2>
To write the expressions for the number of sweets that Sara and Tim have now, we need to follow the next steps:
Sara starts with 24 sweets and Tim starts with 24 sweets
Then, Sara gives Tim x Sweets
Then. Sara eats 7 of her Sweets
Then, Tim eats half of his sweets
So, the expression for the number of sweets that Sara and Tim have now, are:
Have a nice day!
Answer:
Step-by-step explanation:
Given the equation;
Rearranging the equation, we have;
Lowest common multiple (LCM) of S and T is ST.
Cross-multiplying, we have;
Making R, the subject of formula;
Answer:
X=6
Step-by-step explanation: