4(x+3)5-1=7

Solution for 4(x+3)5-1=7 equation:

Simplifying
4(x + 3) * 5 + -1 = 7

Reorder the terms:
4(3 + x) * 5 + -1 = 7

Reorder the terms for easier multiplication:
4 * 5(3 + x) + -1 = 7

Multiply 4 * 5
20(3 + x) + -1 = 7
(3 * 20 + x * 20) + -1 = 7
(60 + 20x) + -1 = 7

Reorder the terms:
60 + -1 + 20x = 7

Combine like terms: 60 + -1 = 59
59 + 20x = 7

Solving
59 + 20x = 7

Solving for variable 'x'.

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

Add '-59' to each side of the equation.
59 + -59 + 20x = 7 + -59

Combine like terms: 59 + -59 = 0
0 + 20x = 7 + -59
20x = 7 + -59

Combine like terms: 7 + -59 = -52
20x = -52

Divide each side by '20'.
x = -2.6

Simplifying
x = -2.6