199=1-3(7x-3)

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Solution for 199=1-3(7x-3) equation:


Simplifying
199 = 1 + -3(7x + -3)

Reorder the terms:
199 = 1 + -3(-3 + 7x)
199 = 1 + (-3 * -3 + 7x * -3)
199 = 1 + (9 + -21x)

Combine like terms: 1 + 9 = 10
199 = 10 + -21x

Solving
199 = 10 + -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.
199 + 21x = 10 + -21x + 21x

Combine like terms: -21x + 21x = 0
199 + 21x = 10 + 0
199 + 21x = 10

Add '-199' to each side of the equation.
199 + -199 + 21x = 10 + -199

Combine like terms: 199 + -199 = 0
0 + 21x = 10 + -199
21x = 10 + -199

Combine like terms: 10 + -199 = -189
21x = -189

Divide each side by '21'.
x = -9

Simplifying
x = -9

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