Identify the LIKE TERMS in the expression. −5x−3x+4+9x

Mathematics

2 answers:

Fofino [41]2 years ago

8 0

Answer:

-5x,-3x, and 9x

Step-by-step explanation:

these are like terms because they all have an x at the end. say there was a number like 7xb and 6xb, they would be like terms, however, if you have 3x and 3xb, they would not be like terms. When you have like terms you can combine them together. So for this, it would be

1x+4

hope this helps :)

Step2247 [10]2 years ago

7 0

Answer:

1x + 4

Step-by-step explanation:

-5x- 3x+ 4+ 9x

first you add -5x and -3x

which is

-8x

-8x + 4 + 9x

now you add -8x and 9x

which is

final answer is

1x + 4

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Solve:<br> -8r - (-2r-3) = 13<br><br> (if you can give a step by step, that would be great!)

coldgirl [10]

Answer:

$r = - \frac{5}{3} = 1 \frac{2}{3} = - 1.6$

Step-by-step explanation:

$- 8r - ( - 2r - 3) = 13$

$- 8r + 2r + 3 = 13$

$- 6r + 3 = 13$

$- 6r = 13 - 3$

$- 6r = 10$

$\boxed{\green{r = - \frac{5}{3} = 1 \frac{2}{3} = - 1.6}}$

4 0

2 years ago

What step do I do next ?

Svetach [21]

When it comes to dividing decimals, bear in mind that, first off you'd want to do away with the decimal point.

now, "you add as many zeros to the other term, as it has decimals", what the heck does that mean?

for example 2.135 ÷ 5

notice, the 2.135 has three decimals, namely three numbers to the right of the decimal point.

since 2.135 has three decimals, then what we do, we add three zeros to 5, AND do away with the decimal point, thus our division is really

2135 ÷ 5000, which is 0.427

now, if we had 2.135 ÷ 5.79

what we do is, since 2.135 has three decimals, we add three zeros to 5.79, and since 5.79 has two decimals, we add two zeros to 2.135, then our division is really

213500 ÷ 579000 <-- notice, no dot on both

which is about 0.3687392

anyhow, that said, check the picture below