Math  /  Algebra

Question(1) 4x16+4x53\frac{4 x-1}{6}+\frac{4 x-5}{3}

Studdy Solution

STEP 1

What is this asking? We're asked to simplify this expression by adding two fractions with xx in them! Watch out! Don't forget about those pesky common denominators when adding fractions.
Also, keep an eye on your signs – it's easy to make a mistake there.

STEP 2

1. Find a Common Denominator
2. Add the Fractions
3. Simplify

STEP 3

Alright, let's **get this party started**!
We've got two fractions here, and we need to find a common denominator before we can add them.
Notice that 66 is a multiple of 33, since 23=62 \cdot 3 = 6.
So, our **common denominator** will be 66!

STEP 4

The first fraction already has a denominator of 66, so we're good there!
But the second fraction has a denominator of 33.
To get a denominator of 66, we need to multiply the top and bottom of the second fraction by 22.
Remember, multiplying by 22\frac{2}{2} is the same as multiplying by 11, so it doesn't change the *value* of the fraction, just how it looks!
4x5322=2(4x5)23=8x106 \frac{4x - 5}{3} \cdot \frac{2}{2} = \frac{2 \cdot (4x - 5)}{2 \cdot 3} = \frac{8x - 10}{6}

STEP 5

Now that both fractions have the same denominator, we can **add them up**!
Just add the numerators together and keep the denominator the same.
4x16+8x106=(4x1)+(8x10)6 \frac{4x - 1}{6} + \frac{8x - 10}{6} = \frac{(4x - 1) + (8x - 10)}{6}

STEP 6

Let's **combine like terms** in the numerator.
We've got 4x4x and 8x8x, which add up to 12x12x.
And we've got 1-1 and 10-10, which add up to 11-11.
4x+8x1106=12x116 \frac{4x + 8x - 1 - 10}{6} = \frac{12x - 11}{6}

STEP 7

Now, let's see if we can **simplify** this fraction any further.
Can we divide both 1212 and 11-11 by a common factor that also divides 66?
Well, 1212 and 66 are both divisible by 66, but 1111 isn't divisible by anything other than 11 and itself.
Since there are no common factors between 1212, 11-11, and 66 (other than 11), our fraction is already in its **simplest form**!

STEP 8

Our **final answer** is 12x116\frac{12x - 11}{6}!
We rocked it!

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