Question

Solution for 5x-7=2x+8


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Answer 1

Answer:

x=5

Step-by-step explanation:

5x−7=2x+8

Step 1: Subtract 2x from both sides.

5x−7−2x=2x+8−2x

3x−7=8

Step 2: Add 7 to both sides.

3x−7+7=8+7

3x=15

Step 3: Divide both sides by 3.

3x/3=15/3

x=5

Answer 2

Step-by-step explanation:

Simplifying

5x + -7 = 2x + 8

Reorder the terms:

-7 + 5x = 2x + 8

Reorder the terms:

-7 + 5x = 8 + 2x

Solving

-7 + 5x = 8 + 2x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-2x' to each side of the equation.

-7 + 5x + -2x = 8 + 2x + -2x

Combine like terms: 5x + -2x = 3x

-7 + 3x = 8 + 2x + -2x

Combine like terms: 2x + -2x = 0

-7 + 3x = 8 + 0

-7 + 3x = 8

Add '7' to each side of the equation.

-7 + 7 + 3x = 8 + 7

Combine like terms: -7 + 7 = 0

0 + 3x = 8 + 7

3x = 8 + 7

Combine like terms: 8 + 7 = 15

3x = 15

Divide each side by '3'.

x = 5

Simplifying

x = 5

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