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mylen [45]
2 years ago
11

PLZ HURRY will give BRAIN-LY-EST and 20 points if correct

Mathematics
2 answers:
Step2247 [10]2 years ago
5 0

Answer:

{ \boxed{ \tt{4x + 4x \: → \: 8x}}} \\  \\ { \boxed{ \tt{3x + 5x + 8 \:→ \: 8x + 8 }}} \\  \\ { \boxed{ \tt{ - 7x + 4 + 3x \: → \:  - 4x + 4}}} \\  \\ { \boxed{ \tt{4x + 4x + 4x + 4x \: → \: 16x}}}

klemol [59]2 years ago
4 0

Answer:

4x + 4x → 8x

3x + 5x + 8 → 8x + 8

-7x + 4 + 3x → -4x + 4

4x + 4x + 4x + 4x → 16x

Step-by-step explanation:

The left side consists of a series of expressions and the right side is the list of choices to match to. This is simple math if you already know how to combine like terms. Combining like terms is combining numbers that represent the same value. Take a look at 4x + 4x for example, 4x and 4x are two numbers with the same value. Not that they both have the number 4, but that they have the same special variable. If there are two or more numbers with the same variable like x for example, combine the two, meaning you add the numbers. Just don't add the variables because clearly, the variable is an unknown number so you can't add variables. Instead, you can apply the same variable to the sum of two or more numbers. So 4x + 4x equals 8x. Do the same process again to the other 3 expressions. Also, you can't add a number with a variable to a number alone. They don't represent the same value.

3x and 5x are the same value so combine them. Now you only have 8x + 8 left as the simplified version of the expression.

-7x and 3x are the same value so combine them. Don't forget that the 7 is negative. Use a calculator if needed. Now you only have -4x + 4 as the simplified version of the expression.

Similar to 4x + 4x in the first expression, just add all of the numbers up. There isn't a number alone in this expression. 16x should be your final answer.

I hope this helps! Let me know if I am wrong. :D

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