9(x-5)-(4x-5)=1

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Solution for 9(x-5)-(4x-5)=1 equation:


Simplifying
9(x + -5) + -1(4x + -5) = 1

Reorder the terms:
9(-5 + x) + -1(4x + -5) = 1
(-5 * 9 + x * 9) + -1(4x + -5) = 1
(-45 + 9x) + -1(4x + -5) = 1

Reorder the terms:
-45 + 9x + -1(-5 + 4x) = 1
-45 + 9x + (-5 * -1 + 4x * -1) = 1
-45 + 9x + (5 + -4x) = 1

Reorder the terms:
-45 + 5 + 9x + -4x = 1

Combine like terms: -45 + 5 = -40
-40 + 9x + -4x = 1

Combine like terms: 9x + -4x = 5x
-40 + 5x = 1

Solving
-40 + 5x = 1

Solving for variable 'x'.

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

Add '40' to each side of the equation.
-40 + 40 + 5x = 1 + 40

Combine like terms: -40 + 40 = 0
0 + 5x = 1 + 40
5x = 1 + 40

Combine like terms: 1 + 40 = 41
5x = 41

Divide each side by '5'.
x = 8.2

Simplifying
x = 8.2

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