3=-1(x-4)+4(2x-9)

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Solution for 3=-1(x-4)+4(2x-9) equation:


Simplifying
3 = -1(x + -4) + 4(2x + -9)

Reorder the terms:
3 = -1(-4 + x) + 4(2x + -9)
3 = (-4 * -1 + x * -1) + 4(2x + -9)
3 = (4 + -1x) + 4(2x + -9)

Reorder the terms:
3 = 4 + -1x + 4(-9 + 2x)
3 = 4 + -1x + (-9 * 4 + 2x * 4)
3 = 4 + -1x + (-36 + 8x)

Reorder the terms:
3 = 4 + -36 + -1x + 8x

Combine like terms: 4 + -36 = -32
3 = -32 + -1x + 8x

Combine like terms: -1x + 8x = 7x
3 = -32 + 7x

Solving
3 = -32 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
3 + -7x = -32 + 7x + -7x

Combine like terms: 7x + -7x = 0
3 + -7x = -32 + 0
3 + -7x = -32

Add '-3' to each side of the equation.
3 + -3 + -7x = -32 + -3

Combine like terms: 3 + -3 = 0
0 + -7x = -32 + -3
-7x = -32 + -3

Combine like terms: -32 + -3 = -35
-7x = -35

Divide each side by '-7'.
x = 5

Simplifying
x = 5

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