Question

4x+5=9x+20

tell me the answer​

Answer 1

Simplifying

4x + -5 = 9x + -20

Reorder the terms:

-5 + 4x = 9x + -20

Reorder the terms:

-5 + 4x = -20 + 9x

Solving

-5 + 4x = -20 + 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.

-5 + 4x + -9x = -20 + 9x + -9x

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

-5 + -5x = -20 + 9x + -9x

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

-5 + -5x = -20 + 0

-5 + -5x = -20

Add '5' to each side of the equation.

-5 + 5 + -5x = -20 + 5

Combine like terms: -5 + 5 = 0

0 + -5x = -20 + 5

-5x = -20 + 5

Combine like terms: -20 + 5 = -15

-5x = -15

Divide each side by '-5'.

x = 3

Simplifying

x = 3

Answer 2

4x-9x=20-5

-5x=15

x=15/-5

x=-3

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