161=-7(1+3x)

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


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

Solving
161 = -7 + -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.
161 + 21x = -7 + -21x + 21x

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

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

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

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

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

Simplifying
x = -8

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