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iVinArrow [24]
2 years ago
13

3-4z = -5+8z Can someone help?

Mathematics
2 answers:
noname [10]2 years ago
3 0
3-4z=-5+8z

Add 5 to both sides

8-4z=8z

Add 4z to both sides

8=12z

Divide both sides by 12

z=12/8

Simplify

z=3/2
sammy [17]2 years ago
3 0
3+5-4z=8z -> 3+5=8z+4z -> 8=12z -> z=8/12 Simplify. z=2/3
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If f(x) = 8 – 10x and g(x) = 5x + 4, what is the value of (fg)(–2)?
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