7[4-(-3x-5)]=126x+238

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Solution for 7[4-(-3x-5)]=126x+238 equation:


Simplifying
7[4 + -1(-3x + -5)] = 126x + 238

Reorder the terms:
7[4 + -1(-5 + -3x)] = 126x + 238
7[4 + (-5 * -1 + -3x * -1)] = 126x + 238
7[4 + (5 + 3x)] = 126x + 238

Combine like terms: 4 + 5 = 9
7[9 + 3x] = 126x + 238
[9 * 7 + 3x * 7] = 126x + 238
[63 + 21x] = 126x + 238

Reorder the terms:
63 + 21x = 238 + 126x

Solving
63 + 21x = 238 + 126x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-126x' to each side of the equation.
63 + 21x + -126x = 238 + 126x + -126x

Combine like terms: 21x + -126x = -105x
63 + -105x = 238 + 126x + -126x

Combine like terms: 126x + -126x = 0
63 + -105x = 238 + 0
63 + -105x = 238

Add '-63' to each side of the equation.
63 + -63 + -105x = 238 + -63

Combine like terms: 63 + -63 = 0
0 + -105x = 238 + -63
-105x = 238 + -63

Combine like terms: 238 + -63 = 175
-105x = 175

Divide each side by '-105'.
x = -1.666666667

Simplifying
x = -1.666666667

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