Solve for X: Combining Like Terms in 6.5x - 3.4x + 15 = 16 + 17 + 4.8x

Question

Solve for X:

6.5x3.4x+15=16+17+4.8x 6.5x-3.4x+15=16+17+4.8x

Video Solution

Solution Steps

00:00 Find X
00:03 Collect terms
00:16 Arrange the equation so that one side has only the unknown X
00:37 Collect terms
00:42 Isolate X
00:54 And this is the solution to the question

Step-by-Step Solution

Let's solve the equation step by step:

We start with the given equation:

6.5x3.4x+15=16+17+4.8x 6.5x - 3.4x + 15 = 16 + 17 + 4.8x

Step 1: Simplify the equation by combining like terms on each side.

  • On the left-hand side, combine the x x -terms: 6.5x3.4x=3.1x 6.5x - 3.4x = 3.1x .
  • So, the left-hand side becomes 3.1x+15 3.1x + 15 .
  • On the right-hand side, combine the constants: 16+17=33 16 + 17 = 33 .
  • So, the right-hand side becomes 33+4.8x 33 + 4.8x .

We now have:

3.1x+15=33+4.8x 3.1x + 15 = 33 + 4.8x

Step 2: Move the terms involving x x to one side and the constant terms to the other side.

  • Subtract 4.8x 4.8x from both sides: 3.1x4.8x+15=33 3.1x - 4.8x + 15 = 33 .
  • Simplify to get: 1.7x+15=33 -1.7x + 15 = 33 .
  • Subtract 15 from both sides to move the constant: 1.7x=3315 -1.7x = 33 - 15 .
  • That simplifies to: 1.7x=18 -1.7x = 18 .

Step 3: Solve for x x by dividing both sides by 1.7-1.7.

x=181.7 x = \frac{18}{-1.7}

Calculating this gives:

x10.58823529 x \approx -10.58823529

Rounding to two decimal places, we find:

x10.58 x \approx -10.58

Therefore, the solution to the equation is x=10.58 x = -10.58 .

Answer

10.58 -10.58