15-16=9-25(x-1)

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Solution for 15-16=9-25(x-1) equation:


Simplifying
15 + -16 = 9 + -25(x + -1)

Combine like terms: 15 + -16 = -1
-1 = 9 + -25(x + -1)

Reorder the terms:
-1 = 9 + -25(-1 + x)
-1 = 9 + (-1 * -25 + x * -25)
-1 = 9 + (25 + -25x)

Combine like terms: 9 + 25 = 34
-1 = 34 + -25x

Solving
-1 = 34 + -25x

Solving for variable 'x'.

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

Add '25x' to each side of the equation.
-1 + 25x = 34 + -25x + 25x

Combine like terms: -25x + 25x = 0
-1 + 25x = 34 + 0
-1 + 25x = 34

Add '1' to each side of the equation.
-1 + 1 + 25x = 34 + 1

Combine like terms: -1 + 1 = 0
0 + 25x = 34 + 1
25x = 34 + 1

Combine like terms: 34 + 1 = 35
25x = 35

Divide each side by '25'.
x = 1.4

Simplifying
x = 1.4

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