7x-1=4x+8

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Solution for 7x-1=4x+8 equation:


Simplifying
7x + -1 = 4x + 8

Reorder the terms:
-1 + 7x = 4x + 8

Reorder the terms:
-1 + 7x = 8 + 4x

Solving
-1 + 7x = 8 + 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.
-1 + 7x + -4x = 8 + 4x + -4x

Combine like terms: 7x + -4x = 3x
-1 + 3x = 8 + 4x + -4x

Combine like terms: 4x + -4x = 0
-1 + 3x = 8 + 0
-1 + 3x = 8

Add '1' to each side of the equation.
-1 + 1 + 3x = 8 + 1

Combine like terms: -1 + 1 = 0
0 + 3x = 8 + 1
3x = 8 + 1

Combine like terms: 8 + 1 = 9
3x = 9

Divide each side by '3'.
x = 3

Simplifying
x = 3

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