7(1+3x)=-161

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Solution for 7(1+3x)=-161 equation: 


Simplifying
7(1 + 3x) = -161
(1 * 7 + 3x * 7) = -161
(7 + 21x) = -161

Solving
7 + 21x = -161

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 21x = -161 + -7

Combine like terms: 7 + -7 = 0
0 + 21x = -161 + -7
21x = -161 + -7

Combine like terms: -161 + -7 = -168
21x = -168

Divide each side by '21'.
x = -8

Simplifying
x = -8

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