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4 years ago

Solve for z : 4z-6/4=3z+1

Mathematics

1 answer:

ruslelena [56]4 years ago

7 0

Note the equal sign, what you do to one side, you do to the other side. Isolate the variable z.

First, subtract 3z and add 6/4 to both sides

4z (-3z) - 6/4 (+6/4) = 3z (-3z) + 1 (+6/4)

4z - 3z = 1 + 6/4

Simplify. Note that 1 = 4/4.

z = 4/4 + 6/4

Simplify. Combine like terms

z = 10/4

Simplify. Change the improper fraction into mixed fraction and simplify.

z = 10/4 = 2 2/4 = 2 1/2

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3 years ago

A plane seats 480. If 3/4 of the seats were full, how many people were on the plane? (Multiplying Rational Numbers)

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Easy way to do these quick.

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If you need to check your answer:

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