7[x+1]=28

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Solution for 7[x+1]=28 equation: 


Simplifying
7[x + 1] = 28

Reorder the terms:
7[1 + x] = 28
[1 * 7 + x * 7] = 28
[7 + 7x] = 28

Solving
7 + 7x = 28

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 + 7x = 28 + -7

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

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

Divide each side by '7'.
x = 3

Simplifying
x = 3

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