-7(-1-3x)=154

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Solution for -7(-1-3x)=154 equation: 


Simplifying
-7(-1 + -3x) = 154
(-1 * -7 + -3x * -7) = 154
(7 + 21x) = 154

Solving
7 + 21x = 154

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 = 154 + -7

Combine like terms: 7 + -7 = 0
0 + 21x = 154 + -7
21x = 154 + -7

Combine like terms: 154 + -7 = 147
21x = 147

Divide each side by '21'.
x = 7

Simplifying
x = 7

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