The sum of 3 times a number and 5 is 26. The statement is written as the equation

Mathematics

2 answers:

Sophie [7]3 years ago

3 0

Answer:

I don’t know much about the second part but the number 3 is being multiplied by is 7. 3x7=21, and than you add 5 giving you 26. Ohhhh now I see the equation is 3 times x+5=26.

Step-by-step explanation:

Hope this helps.

Ierofanga [76]3 years ago

3 0

Answer:

To write algebraic expressions and equations, assign a variable to ... three times a number and five" translates to "3x + 5," while the phrase "three times

Step-by-step explanation:

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What is the answer for <br> -16+x=-15

Sladkaya [172]

Answer:

x=1

Step-by-step explanation:

-16+x=-15

-16+x+16=-15+16 Add the terms to both sides of the equation.

After that you simplify.

5 0

3 years ago

X = 7W? + 4w - 6<br> Y =w2 - 11w +13<br> X-Y<br> Your answer should be a polynomial in standard fom.

svp [43]

Answer: $w^2-22w+19$

Step-by-step explanation:

$X=7w+4w-6\\Y=w^2-11w+13\\$

$(7w+4w-6)-(w^2-11w+13)\\7w+4w-6-w^2+11w-13\\(7w+4w+11w)+(-6-13)-w^2\\22w-19-w^2\\-w^2+22w-19$

Normally we wouldn't have our square variable be negative, so in order to get rid of that negative sign without changing the equation is by multiplying by -1

$-1(-w^2+22w-19)\\=w^2-22w+19$