7x+(3-x)+1=40

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Solution for 7x+(3-x)+1=40 equation:


Simplifying
7x + (3 + -1x) + 1 = 40

Remove parenthesis around (3 + -1x)
7x + 3 + -1x + 1 = 40

Reorder the terms:
3 + 1 + 7x + -1x = 40

Combine like terms: 3 + 1 = 4
4 + 7x + -1x = 40

Combine like terms: 7x + -1x = 6x
4 + 6x = 40

Solving
4 + 6x = 40

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 6x = 40 + -4

Combine like terms: 4 + -4 = 0
0 + 6x = 40 + -4
6x = 40 + -4

Combine like terms: 40 + -4 = 36
6x = 36

Divide each side by '6'.
x = 6

Simplifying
x = 6

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