89-(4x+8)=4(x+9)

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Solution for 89-(4x+8)=4(x+9) equation:


Simplifying
89 + -1(4x + 8) = 4(x + 9)

Reorder the terms:
89 + -1(8 + 4x) = 4(x + 9)
89 + (8 * -1 + 4x * -1) = 4(x + 9)
89 + (-8 + -4x) = 4(x + 9)

Combine like terms: 89 + -8 = 81
81 + -4x = 4(x + 9)

Reorder the terms:
81 + -4x = 4(9 + x)
81 + -4x = (9 * 4 + x * 4)
81 + -4x = (36 + 4x)

Solving
81 + -4x = 36 + 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.
81 + -4x + -4x = 36 + 4x + -4x

Combine like terms: -4x + -4x = -8x
81 + -8x = 36 + 4x + -4x

Combine like terms: 4x + -4x = 0
81 + -8x = 36 + 0
81 + -8x = 36

Add '-81' to each side of the equation.
81 + -81 + -8x = 36 + -81

Combine like terms: 81 + -81 = 0
0 + -8x = 36 + -81
-8x = 36 + -81

Combine like terms: 36 + -81 = -45
-8x = -45

Divide each side by '-8'.
x = 5.625

Simplifying
x = 5.625

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