Solve for X: 6+3(x+4)=7-3(x-2) Linear Equation Challenge

Solve for X:

6+3(x+4)=73(x2) 6+3(x+4)=7-3(x-2)

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Find X
00:03 Make sure to open parentheses properly, multiply by each factor
00:22 Solve each multiplication separately
00:35 Negative times negative always equals positive
00:43 Group terms
00:51 Arrange the equation so that one side has only the unknown X
01:11 Group terms
01:19 Isolate X
01:31 Simplify as much as possible
01:36 And this is the solution to the question

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

Solve for X:

6+3(x+4)=73(x2) 6+3(x+4)=7-3(x-2)

2

Step-by-step solution

Let's solve the linear equation 6+3(x+4)=73(x2) 6 + 3(x + 4) = 7 - 3(x - 2) step-by-step.

Step 1: Expand the terms using the distributive property.

On the left side: 3(x+4)=3x+12 3(x + 4) = 3x + 12

On the right side: 3(x2)=3x+6 -3(x - 2) = -3x + 6

Substituting back, the equation becomes:

6+3x+12=73x+6 6 + 3x + 12 = 7 - 3x + 6

Step 2: Simplify both sides by combining like terms.

Left side: 6+12+3x=18+3x 6 + 12 + 3x = 18 + 3x

Right side: 7+63x=133x 7 + 6 - 3x = 13 - 3x

The equation now is:

18+3x=133x 18 + 3x = 13 - 3x

Step 3: Bring all terms involving x x to one side.

Add 3x 3x to both sides:

18+3x+3x=13 18 + 3x + 3x = 13

18+6x=13 18 + 6x = 13

Step 4: Isolate the variable x x .

Subtract 18 from both sides:

6x=1318 6x = 13 - 18

6x=5 6x = -5

Divide both sides by 6:

x=56 x = -\frac{5}{6}

Therefore, the solution to the problem is x=56 x = -\frac{5}{6} .

3

Final Answer

56 -\frac{5}{6}

Practice Quiz

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Solve for X:

\( x - 3 + 5 = 8 - 2 \)

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