5-8(1+7h)=-21

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Solution for 5-8(1+7h)=-21 equation: 


Simplifying
5 + -8(1 + 7h) = -21
5 + (1 * -8 + 7h * -8) = -21
5 + (-8 + -56h) = -21

Combine like terms: 5 + -8 = -3
-3 + -56h = -21

Solving
-3 + -56h = -21

Solving for variable 'h'.

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

Add '3' to each side of the equation.
-3 + 3 + -56h = -21 + 3

Combine like terms: -3 + 3 = 0
0 + -56h = -21 + 3
-56h = -21 + 3

Combine like terms: -21 + 3 = -18
-56h = -18

Divide each side by '-56'.
h = 0.3214285714

Simplifying
h = 0.3214285714

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