7x-9=4(x-5)

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


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

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

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

Solving
-9 + 7x = -20 + 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.
-9 + 7x + -4x = -20 + 4x + -4x

Combine like terms: 7x + -4x = 3x
-9 + 3x = -20 + 4x + -4x

Combine like terms: 4x + -4x = 0
-9 + 3x = -20 + 0
-9 + 3x = -20

Add '9' to each side of the equation.
-9 + 9 + 3x = -20 + 9

Combine like terms: -9 + 9 = 0
0 + 3x = -20 + 9
3x = -20 + 9

Combine like terms: -20 + 9 = -11
3x = -11

Divide each side by '3'.
x = -3.666666667

Simplifying
x = -3.666666667

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