ifx-4(x-5)=9(x+1)-7

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Solution for ifx-4(x-5)=9(x+1)-7 equation:


Simplifying
ifx + -4(x + -5) = 9(x + 1) + -7

Reorder the terms:
fix + -4(-5 + x) = 9(x + 1) + -7
fix + (-5 * -4 + x * -4) = 9(x + 1) + -7
fix + (20 + -4x) = 9(x + 1) + -7

Reorder the terms:
20 + fix + -4x = 9(x + 1) + -7

Reorder the terms:
20 + fix + -4x = 9(1 + x) + -7
20 + fix + -4x = (1 * 9 + x * 9) + -7
20 + fix + -4x = (9 + 9x) + -7

Reorder the terms:
20 + fix + -4x = 9 + -7 + 9x

Combine like terms: 9 + -7 = 2
20 + fix + -4x = 2 + 9x

Solving
20 + fix + -4x = 2 + 9x

Solving for variable 'f'.

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

Add '-20' to each side of the equation.
20 + fix + -20 + -4x = 2 + -20 + 9x

Reorder the terms:
20 + -20 + fix + -4x = 2 + -20 + 9x

Combine like terms: 20 + -20 = 0
0 + fix + -4x = 2 + -20 + 9x
fix + -4x = 2 + -20 + 9x

Combine like terms: 2 + -20 = -18
fix + -4x = -18 + 9x

Add '4x' to each side of the equation.
fix + -4x + 4x = -18 + 9x + 4x

Combine like terms: -4x + 4x = 0
fix + 0 = -18 + 9x + 4x
fix = -18 + 9x + 4x

Combine like terms: 9x + 4x = 13x
fix = -18 + 13x

Divide each side by 'ix'.
f = -18i-1x-1 + 13i-1

Simplifying
f = -18i-1x-1 + 13i-1

Reorder the terms:
f = 13i-1 + -18i-1x-1

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