7x-(3x+4)=8

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Solution for 7x-(3x+4)=8 equation:


Simplifying
7x + -1(3x + 4) = 8

Reorder the terms:
7x + -1(4 + 3x) = 8
7x + (4 * -1 + 3x * -1) = 8
7x + (-4 + -3x) = 8

Reorder the terms:
-4 + 7x + -3x = 8

Combine like terms: 7x + -3x = 4x
-4 + 4x = 8

Solving
-4 + 4x = 8

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 + 4x = 8 + 4

Combine like terms: -4 + 4 = 0
0 + 4x = 8 + 4
4x = 8 + 4

Combine like terms: 8 + 4 = 12
4x = 12

Divide each side by '4'.
x = 3

Simplifying
x = 3

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