2h+4(h+1)=-21

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Solution for 2h+4(h+1)=-21 equation:


Simplifying
2h + 4(h + 1) = -21

Reorder the terms:
2h + 4(1 + h) = -21
2h + (1 * 4 + h * 4) = -21
2h + (4 + 4h) = -21

Reorder the terms:
4 + 2h + 4h = -21

Combine like terms: 2h + 4h = 6h
4 + 6h = -21

Solving
4 + 6h = -21

Solving for variable 'h'.

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

Add '-4' to each side of the equation.
4 + -4 + 6h = -21 + -4

Combine like terms: 4 + -4 = 0
0 + 6h = -21 + -4
6h = -21 + -4

Combine like terms: -21 + -4 = -25
6h = -25

Divide each side by '6'.
h = -4.166666667

Simplifying
h = -4.166666667

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