45=9-4(2x-1)

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Solution for 45=9-4(2x-1) equation:


Simplifying
45 = 9 + -4(2x + -1)

Reorder the terms:
45 = 9 + -4(-1 + 2x)
45 = 9 + (-1 * -4 + 2x * -4)
45 = 9 + (4 + -8x)

Combine like terms: 9 + 4 = 13
45 = 13 + -8x

Solving
45 = 13 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
45 + 8x = 13 + -8x + 8x

Combine like terms: -8x + 8x = 0
45 + 8x = 13 + 0
45 + 8x = 13

Add '-45' to each side of the equation.
45 + -45 + 8x = 13 + -45

Combine like terms: 45 + -45 = 0
0 + 8x = 13 + -45
8x = 13 + -45

Combine like terms: 13 + -45 = -32
8x = -32

Divide each side by '8'.
x = -4

Simplifying
x = -4

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