7(5+4x)=231

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Solution for 7(5+4x)=231 equation: 


Simplifying
7(5 + 4x) = 231
(5 * 7 + 4x * 7) = 231
(35 + 28x) = 231

Solving
35 + 28x = 231

Solving for variable 'x'.

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

Add '-35' to each side of the equation.
35 + -35 + 28x = 231 + -35

Combine like terms: 35 + -35 = 0
0 + 28x = 231 + -35
28x = 231 + -35

Combine like terms: 231 + -35 = 196
28x = 196

Divide each side by '28'.
x = 7

Simplifying
x = 7

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