-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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