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

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


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

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

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

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

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

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

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

Solving
3 + -2x = 0

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + -2x = 0 + -3

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

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

Divide each side by '-2'.
x = 1.5

Simplifying
x = 1.5

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