(3x+5)-(4x-7)=0

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Solution for (3x+5)-(4x-7)=0 equation:


Simplifying
(3x + 5) + -1(4x + -7) = 0

Reorder the terms:
(5 + 3x) + -1(4x + -7) = 0

Remove parenthesis around (5 + 3x)
5 + 3x + -1(4x + -7) = 0

Reorder the terms:
5 + 3x + -1(-7 + 4x) = 0
5 + 3x + (-7 * -1 + 4x * -1) = 0
5 + 3x + (7 + -4x) = 0

Reorder the terms:
5 + 7 + 3x + -4x = 0

Combine like terms: 5 + 7 = 12
12 + 3x + -4x = 0

Combine like terms: 3x + -4x = -1x
12 + -1x = 0

Solving
12 + -1x = 0

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -1x = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -1x = 0 + -12
-1x = 0 + -12

Combine like terms: 0 + -12 = -12
-1x = -12

Divide each side by '-1'.
x = 12

Simplifying
x = 12

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