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pychu [463]
4 years ago
12

Plzz hurry I only have 20 minutes left!!!!

Mathematics
2 answers:
ki77a [65]4 years ago
4 0
3) 18x - 9 = 72
4) 3(6x - 3) = 72
5) 18x = 81
8) x = 4.5

katrin [286]4 years ago
3 0
X= 4.5

18x - 9 = 72 are the equations
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What is 3(x+3)-10=32 solving for x and in set notations ?
Mazyrski [523]

Answer:

x=11

Step-by-step explanation:

4 0
4 years ago
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What is the answer for 144=-12(x+5) must show work
miskamm [114]

Answer:

<h2>x = -17</h2>

Step-by-step explanation:

-12(x+5)=144\qquad\text{divide both sides by (-12)}\\\\\dfrac{-12(x+5)}{-12}=\dfrac{144}{-12}\\\\x+5=-12\qquad\text{subtract 5 from both sides}\\\\x+5-5=-12-5\\\\x=-17

8 0
3 years ago
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Please solve the problem below.
Liono4ka [1.6K]

Answer:

?=14

Step-by-step explanation:

12+5=17

8+8=16

8+4х8=40

4+6х4=28

9-5=4

9-12+5+8+4=14

5 0
3 years ago
Solve:<br> 2(x+2)-5=3(x-1)
sergejj [24]
Answer:
x = 2

Explanation:
2(x+2)-5=3(x-1)
1) Use distributive property (multiply the 2 by x+2 and the 3 by x-1)
2x+4-5=3x-3
2) Combine like terms
2x-1=3x-3
3) Subtract 2x on both sides
-1=x-3
4) Add 3 on both sides
2=x

hope this helps!
7 0
3 years ago
Evaluate 4x² + 3x for x=6
Sloan [31]

Answer:

162

Step-by-step explanation:

Given algebraic expression:

  • 4x² + 3x

To:

  • Evaluate this expression,with : x = 6

Solution:

  • 4x²+3x

Simplify by plugging x = 6

  • 4(6)²+3(6)
  • 4(36) + 18
  • 144 + 18
  • 162

<em>We can conclude:</em>

By evaluating this expression by x = 6 , the answer will be 162.

3 0
3 years ago
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