Answer:
D
Explanation:
Double the first equation. Write the second below it. Rearrange the second.
2x - 20 = - 4y
<u>-2x -16= +4y</u> Add.
- 36 = 0
There is no solution to this pair of equations.
Catabolism is what happens when you digest food and the molecules break down in the body for use as energy. Large, complex molecules in the body are broken down into smaller, simple ones.
An example of Algebra 1 problem solving question is (3 + a) + b².
<h3>What is algebra?</h3>
The Basics of Algebra are known to cover simple math areas such as numbers, variables, multiplication, division that are found in algebraic expressions.
Looking at this question, (3 + a) + b², you collect like terms;
(3 + a) + b²
= 3a + b²
Therefore, the answer is 3a + b².
Learn more about algebra from
brainly.com/question/22399890