Solve Linear Equation: 4y-7+6y=3-10y for Variable y

4y7+6y=310y 4y-7+6y=3-10y

y=? y=?

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Solve
00:03 Collect terms
00:12 We want to isolate the unknown Y
00:18 Let's arrange the equation so that Y is only on one side
00:28 Collect terms
00:36 Isolate the unknown Y
00:42 Factorize 20 into 10 and 2
00:48 Reduce what we can
00:51 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

4y7+6y=310y 4y-7+6y=3-10y

y=? y=?

2

Step-by-step solution

To solve the equation 4y7+6y=310y 4y - 7 + 6y = 3 - 10y , follow these steps:

  • Step 1: Combine like terms on both sides of the equation.

The left side simplifies by combining the y y -terms:
4y+6y7=10y7 4y + 6y - 7 = 10y - 7 .

On the right side, there is one y y -term, but we can leave it for the next steps.

  • Step 2: Isolate the y y -terms.

Add 10y 10y to both sides to move all y y -terms to the left side:

10y7+10y=3 10y - 7 + 10y = 3

Simplifying the left side, we get:

20y7=3 20y - 7 = 3

  • Step 3: Isolate y y .

Add 7 7 to both sides to eliminate the constant term on the left:

20y=3+7 20y = 3 + 7

20y=10 20y = 10

Divide both sides by 20 20 to solve for y y :

y=1020 y = \frac{10}{20}

y=12 y = \frac{1}{2}

Therefore, the solution to the problem is y=12 y = \frac{1}{2} .

3

Final Answer

12 \frac{1}{2}

Practice Quiz

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\( x+7=14 \)

\( x=\text{?} \)

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