Question

4x+8=9x-7
solve the following equation
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Answer 1

Answer:

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Step-by-step explanation:

Simplifying

4x + 8 = 9x + -7

Reorder the terms:

8 + 4x = 9x + -7

Reorder the terms:

8 + 4x = -7 + 9x

Solving

8 + 4x = -7 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.

8 + 4x + -9x = -7 + 9x + -9x

Combine like terms: 4x + -9x = -5x

8 + -5x = -7 + 9x + -9x

Combine like terms: 9x + -9x = 0

8 + -5x = -7 + 0

8 + -5x = -7

Add '-8' to each side of the equation.

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

Combine like terms: 8 + -8 = 0

0 + -5x = -7 + -8

-5x = -7 + -8

Combine like terms: -7 + -8 = -15

-5x = -15

Divide each side by '-5'.

x = 3

Simplifying

x = 3

Answer 2

Answer:

x = 3

Step-by-step explanation:

4x - 9x = -7 -8

-5x = - 15

x = 15/5

x = 3