7x-(2x+4)=15

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Solution for 7x-(2x+4)=15 equation:


Simplifying
7x + -1(2x + 4) = 15

Reorder the terms:
7x + -1(4 + 2x) = 15
7x + (4 * -1 + 2x * -1) = 15
7x + (-4 + -2x) = 15

Reorder the terms:
-4 + 7x + -2x = 15

Combine like terms: 7x + -2x = 5x
-4 + 5x = 15

Solving
-4 + 5x = 15

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 + 5x = 15 + 4

Combine like terms: -4 + 4 = 0
0 + 5x = 15 + 4
5x = 15 + 4

Combine like terms: 15 + 4 = 19
5x = 19

Divide each side by '5'.
x = 3.8

Simplifying
x = 3.8

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