7x-2-1=4

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Solution for 7x-2-1=4 equation: 


Simplifying
7x + -2 + -1 = 4

Reorder the terms:
-2 + -1 + 7x = 4

Combine like terms: -2 + -1 = -3
-3 + 7x = 4

Solving
-3 + 7x = 4

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 7x = 4 + 3

Combine like terms: -3 + 3 = 0
0 + 7x = 4 + 3
7x = 4 + 3

Combine like terms: 4 + 3 = 7
7x = 7

Divide each side by '7'.
x = 1

Simplifying
x = 1

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