90-42=2(h-4)

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Solution for 90-42=2(h-4) equation:


Simplifying
90 + -42 = 2(h + -4)

Combine like terms: 90 + -42 = 48
48 = 2(h + -4)

Reorder the terms:
48 = 2(-4 + h)
48 = (-4 * 2 + h * 2)
48 = (-8 + 2h)

Solving
48 = -8 + 2h

Solving for variable 'h'.

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

Add '-2h' to each side of the equation.
48 + -2h = -8 + 2h + -2h

Combine like terms: 2h + -2h = 0
48 + -2h = -8 + 0
48 + -2h = -8

Add '-48' to each side of the equation.
48 + -48 + -2h = -8 + -48

Combine like terms: 48 + -48 = 0
0 + -2h = -8 + -48
-2h = -8 + -48

Combine like terms: -8 + -48 = -56
-2h = -56

Divide each side by '-2'.
h = 28

Simplifying
h = 28

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