7(1+4x)=231

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Solution for 7(1+4x)=231 equation: 


Simplifying
7(1 + 4x) = 231
(1 * 7 + 4x * 7) = 231
(7 + 28x) = 231

Solving
7 + 28x = 231

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 28x = 231 + -7

Combine like terms: 7 + -7 = 0
0 + 28x = 231 + -7
28x = 231 + -7

Combine like terms: 231 + -7 = 224
28x = 224

Divide each side by '28'.
x = 8

Simplifying
x = 8

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