144=-6+3(1-7x)

Solution for 144=-6+3(1-7x) equation:

Simplifying
144 = -6 + 3(1 + -7x)
144 = -6 + (1 * 3 + -7x * 3)
144 = -6 + (3 + -21x)

Combine like terms: -6 + 3 = -3
144 = -3 + -21x

Solving
144 = -3 + -21x

Solving for variable 'x'.

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

Add '21x' to each side of the equation.
144 + 21x = -3 + -21x + 21x

Combine like terms: -21x + 21x = 0
144 + 21x = -3 + 0
144 + 21x = -3

Add '-144' to each side of the equation.
144 + -144 + 21x = -3 + -144

Combine like terms: 144 + -144 = 0
0 + 21x = -3 + -144
21x = -3 + -144

Combine like terms: -3 + -144 = -147
21x = -147

Divide each side by '21'.
x = -7

Simplifying
x = -7