9-7x+8(x-4)=4(x-7)

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Solution for 9-7x+8(x-4)=4(x-7) equation:


Simplifying
9 + -7x + 8(x + -4) = 4(x + -7)

Reorder the terms:
9 + -7x + 8(-4 + x) = 4(x + -7)
9 + -7x + (-4 * 8 + x * 8) = 4(x + -7)
9 + -7x + (-32 + 8x) = 4(x + -7)

Reorder the terms:
9 + -32 + -7x + 8x = 4(x + -7)

Combine like terms: 9 + -32 = -23
-23 + -7x + 8x = 4(x + -7)

Combine like terms: -7x + 8x = 1x
-23 + 1x = 4(x + -7)

Reorder the terms:
-23 + 1x = 4(-7 + x)
-23 + 1x = (-7 * 4 + x * 4)
-23 + 1x = (-28 + 4x)

Solving
-23 + 1x = -28 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-23 + 1x + -4x = -28 + 4x + -4x

Combine like terms: 1x + -4x = -3x
-23 + -3x = -28 + 4x + -4x

Combine like terms: 4x + -4x = 0
-23 + -3x = -28 + 0
-23 + -3x = -28

Add '23' to each side of the equation.
-23 + 23 + -3x = -28 + 23

Combine like terms: -23 + 23 = 0
0 + -3x = -28 + 23
-3x = -28 + 23

Combine like terms: -28 + 23 = -5
-3x = -5

Divide each side by '-3'.
x = 1.666666667

Simplifying
x = 1.666666667

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