2 years ago

-189=4x-3(-4x+15) help me i need help badly

Mathematics

2 answers:

lyudmila [28]2 years ago

7 0

Answer:

Step-by-step explanation:

−189=4x−3(−4x+15)

−189=16x−45

16x−45=−189

16x−45+45=−189+45

16x=−144

16x /16

= −144 /16

x=−9

Good luck honey !!

gogolik [260]2 years ago

5 0

Answer:

x=-9

Step-by-step explanation:

-3×-4= 12x -3×15=-45

4x+12x-45=-189

4x+12x=16x

16x-45=-189

16x=-144

x=-9

You might be interested in

Solve 6^x+2 = 10 for x using the change of base formula

pashok25 [27]

Answer:

$x\approx-0.7149$

Step-by-step explanation:

$\displaystyle 6^{x+2}=10\\\\\log_6(6^{x+2})=\log_6(10)\\\\x+2=\frac{\log(10)}{\log(6)}\\\\x+2\approx1.2851\\\\x\approx-0.7149$

Recall that the change of base formula is $\displaystyle \log_a(b)=\frac{\log(b)}{\log(a)}$

3 0

1 year ago

How do I solve this?

Aleksandr-060686 [28]

First you have to set up your equation. 5x+80 and x+15.

8 0

2 years ago

Read 2 more answers

If the volume of a cube is 216cm fond the length of the cube

deff fn [24]

Answer:

6cm

Step-by-step explanation:

7 0

2 years ago

Negative 3 is twice as large as a number,h

alina1380 [7]

Answer:

negative 6 is the answer

Step-by-step explanation:

8 0

3 years ago

Name the digits of pi. At least 50

mars1129 [50]

3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679821480865132823066470938 etc.

6 0

2 years ago