300=4x-9

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Solution for 300=4x-9 equation:


Simplifying
300 = 4x + -9

Reorder the terms:
300 = -9 + 4x

Solving
300 = -9 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
300 + -4x = -9 + 4x + -4x

Combine like terms: 4x + -4x = 0
300 + -4x = -9 + 0
300 + -4x = -9

Add '-300' to each side of the equation.
300 + -300 + -4x = -9 + -300

Combine like terms: 300 + -300 = 0
0 + -4x = -9 + -300
-4x = -9 + -300

Combine like terms: -9 + -300 = -309
-4x = -309

Divide each side by '-4'.
x = 77.25

Simplifying
x = 77.25

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