7(h+3)=4(h-9)

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Solution for 7(h+3)=4(h-9) equation:


Simplifying
7(h + 3) = 4(h + -9)

Reorder the terms:
7(3 + h) = 4(h + -9)
(3 * 7 + h * 7) = 4(h + -9)
(21 + 7h) = 4(h + -9)

Reorder the terms:
21 + 7h = 4(-9 + h)
21 + 7h = (-9 * 4 + h * 4)
21 + 7h = (-36 + 4h)

Solving
21 + 7h = -36 + 4h

Solving for variable 'h'.

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

Add '-4h' to each side of the equation.
21 + 7h + -4h = -36 + 4h + -4h

Combine like terms: 7h + -4h = 3h
21 + 3h = -36 + 4h + -4h

Combine like terms: 4h + -4h = 0
21 + 3h = -36 + 0
21 + 3h = -36

Add '-21' to each side of the equation.
21 + -21 + 3h = -36 + -21

Combine like terms: 21 + -21 = 0
0 + 3h = -36 + -21
3h = -36 + -21

Combine like terms: -36 + -21 = -57
3h = -57

Divide each side by '3'.
h = -19

Simplifying
h = -19

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