7x-2(3+4x)=19

Solution for 7x-2(3+4x)=19 equation:

Simplifying
7x + -2(3 + 4x) = 19
7x + (3 * -2 + 4x * -2) = 19
7x + (-6 + -8x) = 19

Reorder the terms:
-6 + 7x + -8x = 19

Combine like terms: 7x + -8x = -1x
-6 + -1x = 19

Solving
-6 + -1x = 19

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + -1x = 19 + 6

Combine like terms: -6 + 6 = 0
0 + -1x = 19 + 6
-1x = 19 + 6

Combine like terms: 19 + 6 = 25
-1x = 25

Divide each side by '-1'.
x = -25

Simplifying
x = -25