(2x+3)+(x-7)=40

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Solution for (2x+3)+(x-7)=40 equation:


Simplifying
(2x + 3) + (x + -7) = 40

Reorder the terms:
(3 + 2x) + (x + -7) = 40

Remove parenthesis around (3 + 2x)
3 + 2x + (x + -7) = 40

Reorder the terms:
3 + 2x + (-7 + x) = 40

Remove parenthesis around (-7 + x)
3 + 2x + -7 + x = 40

Reorder the terms:
3 + -7 + 2x + x = 40

Combine like terms: 3 + -7 = -4
-4 + 2x + x = 40

Combine like terms: 2x + x = 3x
-4 + 3x = 40

Solving
-4 + 3x = 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 + 3x = 40 + 4

Combine like terms: -4 + 4 = 0
0 + 3x = 40 + 4
3x = 40 + 4

Combine like terms: 40 + 4 = 44
3x = 44

Divide each side by '3'.
x = 14.66666667

Simplifying
x = 14.66666667

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