Oldest = 2x
Middle = x + 5
Youngest = x
2x + x + 5 + x = 57
combine like terms
4x + 5 = 57
subtract 5 from both sides
4x = 52
divide both sides by 4 to isolate x
x = 13
Oldest = 2x = 2(13) = 26
Middle = x + 5 = 13 + 5 = 18
Youngest = x = 13
The product if a number if it is multiplied by 1 is the same number itself.
Given:
Product:
The product meaning in math is a number that you get to by multiplying two or more other numbers together.
Rules:
1) 1 is the multiplicative identity, if we multiply any of the number with 1 we get the same number as the answer to that.
2) So as per the rule if we multiply any of the whole numbers with 1 we get the same number.
Example:
= 1 * 155
= 155
= 1 * 688
= 688
= 1 * 97
= 97
Learn more about the number here:
brainly.com/question/17429689
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Answer:
1)https://answers4you-ph.com/math/question513389162
2)https://learning-ph.com/math/question512796522
Step-by-step explanation:
Answer:
-2c^2+4c
Step-by-step explanation:
4c^2+6c-6c^2-2c
combine like terms
4c^2-6c^2= -2c^2 and 6c-2c=4c
so
-2c^2+4c is the simplest form and the answer
