X+(x-10)=26 5,12,15,18

Mathematics

1 answer:

Likurg_2 [28]2 years ago

3 0

Answer: 18

Step-by-step explanation:

put each number in place of x and finish the equation. you will find that 5, 12, and 15 don’t work because they just simply don’t add up.

finally, put 18 in place of x.

18 + (18 - 10) = 26

18 + 8 = 26

26 = 26 ✔️

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Sunny_sXe [5.5K]

3
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3 0

3 years ago

<img src="https://tex.z-dn.net/?f=32%2F8%20%3D%2040%2Fh" id="TexFormula1" title="32/8 = 40/h" alt="32/8 = 40/h" align="absmiddle

natka813 [3]

If you are solving for h the answer is 10
First you reduce the fraction with 8 so your get
4=40/h
Then you multiply both sides by h and you get
4h=40
After that you divide both sides by 4
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h=10

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2 years ago

Laneka owns a cake shop. She is currently preparing cakes for two anniversary parties. The first cake has 3 small tiers and 1 me

ziro4ka [17]

The solution to the equations is x=20 and y=40

Step-by-step explanation:

Let,

Small tier = x

Medium tier = y

According to given statement;

1.The situation with a system of equations.

3x+y = 100 Eqn 1

3x+2y=140 Eqn 2

2. Solving the System of equations;

$Subtracting\ Eqn\ 1\ from\ Eqn\ 2\\(3x+2y)-(3x+y)=140-100\\3x+2y-3x-y=40\\y=40\\Putting\ value\ of\ y\ in\ Eqn 1;\\3x+40=100\\3x=100-40\\3x=60\\Dividing\ both\ sides\ by\ 3\\\frac{3x}{3}=\frac{60}{3}\\x=20$