7[3-(-4x-1)]=252x+84

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Solution for 7[3-(-4x-1)]=252x+84 equation:


Simplifying
7[3 + -1(-4x + -1)] = 252x + 84

Reorder the terms:
7[3 + -1(-1 + -4x)] = 252x + 84
7[3 + (-1 * -1 + -4x * -1)] = 252x + 84
7[3 + (1 + 4x)] = 252x + 84

Combine like terms: 3 + 1 = 4
7[4 + 4x] = 252x + 84
[4 * 7 + 4x * 7] = 252x + 84
[28 + 28x] = 252x + 84

Reorder the terms:
28 + 28x = 84 + 252x

Solving
28 + 28x = 84 + 252x

Solving for variable 'x'.

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

Add '-252x' to each side of the equation.
28 + 28x + -252x = 84 + 252x + -252x

Combine like terms: 28x + -252x = -224x
28 + -224x = 84 + 252x + -252x

Combine like terms: 252x + -252x = 0
28 + -224x = 84 + 0
28 + -224x = 84

Add '-28' to each side of the equation.
28 + -28 + -224x = 84 + -28

Combine like terms: 28 + -28 = 0
0 + -224x = 84 + -28
-224x = 84 + -28

Combine like terms: 84 + -28 = 56
-224x = 56

Divide each side by '-224'.
x = -0.25

Simplifying
x = -0.25

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