4(9-x)+40(x-9)=1

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Solution for 4(9-x)+40(x-9)=1 equation:


Simplifying
4(9 + -1x) + 40(x + -9) = 1
(9 * 4 + -1x * 4) + 40(x + -9) = 1
(36 + -4x) + 40(x + -9) = 1

Reorder the terms:
36 + -4x + 40(-9 + x) = 1
36 + -4x + (-9 * 40 + x * 40) = 1
36 + -4x + (-360 + 40x) = 1

Reorder the terms:
36 + -360 + -4x + 40x = 1

Combine like terms: 36 + -360 = -324
-324 + -4x + 40x = 1

Combine like terms: -4x + 40x = 36x
-324 + 36x = 1

Solving
-324 + 36x = 1

Solving for variable 'x'.

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

Add '324' to each side of the equation.
-324 + 324 + 36x = 1 + 324

Combine like terms: -324 + 324 = 0
0 + 36x = 1 + 324
36x = 1 + 324

Combine like terms: 1 + 324 = 325
36x = 325

Divide each side by '36'.
x = 9.027777778

Simplifying
x = 9.027777778

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