3(2+x)-7(3+8x)=

Solution for 3(2+x)-7(3+8x)= equation:

Simplifying
3(2 + x) + -7(3 + 8x) = 0
(2 * 3 + x * 3) + -7(3 + 8x) = 0
(6 + 3x) + -7(3 + 8x) = 0
6 + 3x + (3 * -7 + 8x * -7) = 0
6 + 3x + (-21 + -56x) = 0

Reorder the terms:
6 + -21 + 3x + -56x = 0

Combine like terms: 6 + -21 = -15
-15 + 3x + -56x = 0

Combine like terms: 3x + -56x = -53x
-15 + -53x = 0

Solving
-15 + -53x = 0

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + -53x = 0 + 15

Combine like terms: -15 + 15 = 0
0 + -53x = 0 + 15
-53x = 0 + 15

Combine like terms: 0 + 15 = 15
-53x = 15

Divide each side by '-53'.
x = -0.2830188679

Simplifying
x = -0.2830188679