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

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


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

Reorder the terms:
7(-4 + x) + -1(4x + 5) = 4(x + -5) + -9
(-4 * 7 + x * 7) + -1(4x + 5) = 4(x + -5) + -9
(-28 + 7x) + -1(4x + 5) = 4(x + -5) + -9

Reorder the terms:
-28 + 7x + -1(5 + 4x) = 4(x + -5) + -9
-28 + 7x + (5 * -1 + 4x * -1) = 4(x + -5) + -9
-28 + 7x + (-5 + -4x) = 4(x + -5) + -9

Reorder the terms:
-28 + -5 + 7x + -4x = 4(x + -5) + -9

Combine like terms: -28 + -5 = -33
-33 + 7x + -4x = 4(x + -5) + -9

Combine like terms: 7x + -4x = 3x
-33 + 3x = 4(x + -5) + -9

Reorder the terms:
-33 + 3x = 4(-5 + x) + -9
-33 + 3x = (-5 * 4 + x * 4) + -9
-33 + 3x = (-20 + 4x) + -9

Reorder the terms:
-33 + 3x = -20 + -9 + 4x

Combine like terms: -20 + -9 = -29
-33 + 3x = -29 + 4x

Solving
-33 + 3x = -29 + 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.
-33 + 3x + -4x = -29 + 4x + -4x

Combine like terms: 3x + -4x = -1x
-33 + -1x = -29 + 4x + -4x

Combine like terms: 4x + -4x = 0
-33 + -1x = -29 + 0
-33 + -1x = -29

Add '33' to each side of the equation.
-33 + 33 + -1x = -29 + 33

Combine like terms: -33 + 33 = 0
0 + -1x = -29 + 33
-1x = -29 + 33

Combine like terms: -29 + 33 = 4
-1x = 4

Divide each side by '-1'.
x = -4

Simplifying
x = -4

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