Simplify -12z+4(z-9)+30+z

Math
-12z+4(z-9)+30+z
Simplify each term.
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Apply the distributive property.
-12z+4z+4⋅-9+30+z
Multiply 4 by -9.
-12z+4z-36+30+z
-12z+4z-36+30+z
Simplify by adding terms.
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Add -12z and 4z.
-8z-36+30+z
Add -8z and z.
-7z-36+30
Add -36 and 30.
-7z-6
-7z-6
Simplify -12z+4(z-9)+30+z

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