112=7(1-3x)

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Solution for 112=7(1-3x) equation:


Simplifying
112 = 7(1 + -3x)
112 = (1 * 7 + -3x * 7)
112 = (7 + -21x)

Solving
112 = 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.
112 + 21x = 7 + -21x + 21x

Combine like terms: -21x + 21x = 0
112 + 21x = 7 + 0
112 + 21x = 7

Add '-112' to each side of the equation.
112 + -112 + 21x = 7 + -112

Combine like terms: 112 + -112 = 0
0 + 21x = 7 + -112
21x = 7 + -112

Combine like terms: 7 + -112 = -105
21x = -105

Divide each side by '21'.
x = -5

Simplifying
x = -5

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