-197=7x-4[7x+2]

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Solution for -197=7x-4[7x+2] equation:


Simplifying
-197 = 7x + -4[7x + 2]

Reorder the terms:
-197 = 7x + -4[2 + 7x]
-197 = 7x + [2 * -4 + 7x * -4]
-197 = 7x + [-8 + -28x]

Reorder the terms:
-197 = -8 + 7x + -28x

Combine like terms: 7x + -28x = -21x
-197 = -8 + -21x

Solving
-197 = -8 + -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.
-197 + 21x = -8 + -21x + 21x

Combine like terms: -21x + 21x = 0
-197 + 21x = -8 + 0
-197 + 21x = -8

Add '197' to each side of the equation.
-197 + 197 + 21x = -8 + 197

Combine like terms: -197 + 197 = 0
0 + 21x = -8 + 197
21x = -8 + 197

Combine like terms: -8 + 197 = 189
21x = 189

Divide each side by '21'.
x = 9

Simplifying
x = 9

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