(3*x-7)+(x-4)=0

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Solution for (3*x-7)+(x-4)=0 equation:


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

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

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

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

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

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

Combine like terms: -7 + -4 = -11
-11 + 3x + x = 0

Combine like terms: 3x + x = 4x
-11 + 4x = 0

Solving
-11 + 4x = 0

Solving for variable 'x'.

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

Add '11' to each side of the equation.
-11 + 11 + 4x = 0 + 11

Combine like terms: -11 + 11 = 0
0 + 4x = 0 + 11
4x = 0 + 11

Combine like terms: 0 + 11 = 11
4x = 11

Divide each side by '4'.
x = 2.75

Simplifying
x = 2.75

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