(x+1)4-21=15.6

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Solution for (x+1)4-21=15.6 equation:


Simplifying
(x + 1) * 4 + -21 = 15.6

Reorder the terms:
(1 + x) * 4 + -21 = 15.6

Reorder the terms for easier multiplication:
4(1 + x) + -21 = 15.6
(1 * 4 + x * 4) + -21 = 15.6
(4 + 4x) + -21 = 15.6

Reorder the terms:
4 + -21 + 4x = 15.6

Combine like terms: 4 + -21 = -17
-17 + 4x = 15.6

Solving
-17 + 4x = 15.6

Solving for variable 'x'.

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

Add '17' to each side of the equation.
-17 + 17 + 4x = 15.6 + 17

Combine like terms: -17 + 17 = 0
0 + 4x = 15.6 + 17
4x = 15.6 + 17

Combine like terms: 15.6 + 17 = 32.6
4x = 32.6

Divide each side by '4'.
x = 8.15

Simplifying
x = 8.15

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