(3x+2)+(x-7)-(2x+4)=

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Solution for (3x+2)+(x-7)-(2x+4)= equation:


Simplifying
(3x + 2) + (x + -7) + -1(2x + 4) = 0

Reorder the terms:
(2 + 3x) + (x + -7) + -1(2x + 4) = 0

Remove parenthesis around (2 + 3x)
2 + 3x + (x + -7) + -1(2x + 4) = 0

Reorder the terms:
2 + 3x + (-7 + x) + -1(2x + 4) = 0

Remove parenthesis around (-7 + x)
2 + 3x + -7 + x + -1(2x + 4) = 0

Reorder the terms:
2 + 3x + -7 + x + -1(4 + 2x) = 0
2 + 3x + -7 + x + (4 * -1 + 2x * -1) = 0
2 + 3x + -7 + x + (-4 + -2x) = 0

Reorder the terms:
2 + -7 + -4 + 3x + x + -2x = 0

Combine like terms: 2 + -7 = -5
-5 + -4 + 3x + x + -2x = 0

Combine like terms: -5 + -4 = -9
-9 + 3x + x + -2x = 0

Combine like terms: 3x + x = 4x
-9 + 4x + -2x = 0

Combine like terms: 4x + -2x = 2x
-9 + 2x = 0

Solving
-9 + 2x = 0

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 2x = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 2x = 0 + 9
2x = 0 + 9

Combine like terms: 0 + 9 = 9
2x = 9

Divide each side by '2'.
x = 4.5

Simplifying
x = 4.5

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