84=7(x+4)

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Solution for 84=7(x+4) equation:


Simplifying
84 = 7(x + 4)

Reorder the terms:
84 = 7(4 + x)
84 = (4 * 7 + x * 7)
84 = (28 + 7x)

Solving
84 = 28 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
84 + -7x = 28 + 7x + -7x

Combine like terms: 7x + -7x = 0
84 + -7x = 28 + 0
84 + -7x = 28

Add '-84' to each side of the equation.
84 + -84 + -7x = 28 + -84

Combine like terms: 84 + -84 = 0
0 + -7x = 28 + -84
-7x = 28 + -84

Combine like terms: 28 + -84 = -56
-7x = -56

Divide each side by '-7'.
x = 8

Simplifying
x = 8

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