1 answer:
Answer:
30
Step-by-step explanation:
5(z+4)+5(2-z) (expand parentheses by distribution)
= z(5) + 4(5) + 2(5) -z(5)
= 5z + 20 + 10 -5z
= 30
You might be interested in
Answer:
y=-6/5x-2.6
Step-by-step explanation:
Answer by JKismyhusbandbae:
![x-12+4=100\\\mathrm{Add/Subtract\:the\:numbers:}\:-12+4=-8\\x-8=100\\\mathrm{Add\:}8\mathrm{\:to\:both\:sides}\\x-8+8=100+8\\\mathrm{Simplify}\\x=108](https://tex.z-dn.net/?f=x-12%2B4%3D100%5C%5C%5Cmathrm%7BAdd%2FSubtract%5C%3Athe%5C%3Anumbers%3A%7D%5C%3A-12%2B4%3D-8%5C%5Cx-8%3D100%5C%5C%5Cmathrm%7BAdd%5C%3A%7D8%5Cmathrm%7B%5C%3Ato%5C%3Aboth%5C%3Asides%7D%5C%5Cx-8%2B8%3D100%2B8%5C%5C%5Cmathrm%7BSimplify%7D%5C%5Cx%3D108)
Answer:
13,23
Step-by-step explanation:
Answer:
![{x}^{2} - 14x + 48 = 0 \\ {x}^{2} - 6x -8 x + 48 = 0 \\ x(x - 6) - 8(x - 6) = 0 \\ (x - 6)(x - 8) = 0 \\ \boxed{ x = 6\: and \: 8}](https://tex.z-dn.net/?f=%20%7Bx%7D%5E%7B2%7D%20%20-%2014x%20%2B%2048%20%3D%200%20%5C%5C%20%20%7Bx%7D%5E%7B2%7D%20%20-%206x%20-8%20x%20%2B%2048%20%3D%200%20%5C%5C%20x%28x%20-%206%29%20-%208%28x%20-%206%29%20%3D%200%20%5C%5C%20%28x%20-%206%29%28x%20-%208%29%20%3D%200%20%5C%5C%20%5Cboxed%7B%20x%20%3D%206%5C%3A%20and%20%5C%3A%208%7D)
- 4) <em><u>6 and 8</u></em> is the right answer.
Answer:
![4x^{2} -6x](https://tex.z-dn.net/?f=4x%5E%7B2%7D%20-6x)
Step-by-step explanation: