7x-(x+40)=2

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Solution for 7x-(x+40)=2 equation:


Simplifying
7x + -1(x + 40) = 2

Reorder the terms:
7x + -1(40 + x) = 2
7x + (40 * -1 + x * -1) = 2
7x + (-40 + -1x) = 2

Reorder the terms:
-40 + 7x + -1x = 2

Combine like terms: 7x + -1x = 6x
-40 + 6x = 2

Solving
-40 + 6x = 2

Solving for variable 'x'.

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

Add '40' to each side of the equation.
-40 + 40 + 6x = 2 + 40

Combine like terms: -40 + 40 = 0
0 + 6x = 2 + 40
6x = 2 + 40

Combine like terms: 2 + 40 = 42
6x = 42

Divide each side by '6'.
x = 7

Simplifying
x = 7

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