Solve the Fraction Equation: Balancing Terms in 7/9 - 3/5x + 1/4 = 2/8 - 3/7x + 6/10x

Question

Solve for X:


7935x+14=2837x+610x \frac{7}{9}-\frac{3}{5}x+\frac{1}{4}=\frac{2}{8}-\frac{3}{7}x+\frac{6}{10}x

Video Solution

Solution Steps

00:00 Find X
00:03 Arrange the equation so that X is isolated on one side
00:49 Simplify what we can
00:56 Find the common denominator
01:01 Isolate X by multiplying by the reciprocal
01:15 Make sure to multiply numerator by numerator and denominator by denominator
01:21 And this is the solution to the question

Step-by-Step Solution

Let's solve for x x in the given equation through a structured approach:

We start with the equation:
7935x+14=2837x+610x \frac{7}{9} - \frac{3}{5}x + \frac{1}{4} = \frac{2}{8} - \frac{3}{7}x + \frac{6}{10}x Simplify where possible and combine like terms:

Step 1: Simplify constants and rearrange:
Convert to simplest forms:
- 28=14\frac{2}{8} = \frac{1}{4} and 610=35\frac{6}{10} = \frac{3}{5}.
Substitute these into the equation to get:
79+1435x=14+35x37x \frac{7}{9} + \frac{1}{4} - \frac{3}{5}x = \frac{1}{4} + \frac{3}{5}x - \frac{3}{7}x Cancelling out 14\frac{1}{4} on both sides simplifies it to:
7935x=35x37x \frac{7}{9} - \frac{3}{5}x = \frac{3}{5}x - \frac{3}{7}x

Step 2: Combine like terms containing x x :
The right side becomes:
35x37x=(2135x1535x)=635x \frac{3}{5}x - \frac{3}{7}x = \left(\frac{21}{35}x - \frac{15}{35}x\right) = \frac{6}{35}x Thus, we now have the equation:
79=635x \frac{7}{9} = \frac{6}{35}x

Step 3: Solve for x x :
Cross-multiply to solve for x x :
735=96x245=54xx=24554 7 \cdot 35 = 9 \cdot 6x \\ 245 = 54x \\ x = \frac{245}{54} Simplifying the fraction gives:
x=3554=12243 x = \frac{35}{54} = 1\frac{2}{243}

Therefore, the solution to the equation is x=12243 x = 1\frac{2}{243} .

Answer

12243 1\frac{2}{243}