7x-5=4x-20

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Solution for 7x-5=4x-20 equation:


Simplifying
7x + -5 = 4x + -20

Reorder the terms:
-5 + 7x = 4x + -20

Reorder the terms:
-5 + 7x = -20 + 4x

Solving
-5 + 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.
-5 + 7x + -4x = -20 + 4x + -4x

Combine like terms: 7x + -4x = 3x
-5 + 3x = -20 + 4x + -4x

Combine like terms: 4x + -4x = 0
-5 + 3x = -20 + 0
-5 + 3x = -20

Add '5' to each side of the equation.
-5 + 5 + 3x = -20 + 5

Combine like terms: -5 + 5 = 0
0 + 3x = -20 + 5
3x = -20 + 5

Combine like terms: -20 + 5 = -15
3x = -15

Divide each side by '3'.
x = -5

Simplifying
x = -5

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