3 years ago

8(x+7)=7(x-7) please solve due tonight.

Mathematics

2 answers:

frez [133]3 years ago

6 0

Answer:

Step-by-step explanation:

8x + 56 = 7x-7

Cancel out 7 and subtract it with 8 as well, which leaves you...

x + 56 = -7

Subtract 56 with -7 (-7-56)

x = 63

avanturin [10]3 years ago

4 0

Answer:

x = -105

Step-by-step explanation:

$8(x+7)=7(x-7)\\\\8x+56=7x-49\\\\8x+56-56=7x-49-56\\\\8x=7x-105\\\\8x-7x=7x-7x-105\\\\\boxed{x=-105}$

Hope this helps.

You might be interested in

Calculate 36%of $4500

Aleksandr [31]

Answer:

1620

Step-by-step explanation:

0.36*4500=1620

7 0

3 years ago

Read 2 more answers

A wave with a frequency of 60 hertz would generate 60 wave crests every

V125BC [204]

Answer is every second

5 0

3 years ago

If y varies inversely as x, find the constant of variation if y=36 when x=9

Jobisdone [24]

Answer:

k = 324

Step-by-step explanation:

Y varies inversely as x

Let k be the constant of variation

Y = k/ x

Y= 36 and x= 9

Substitute the value of Y and x

36 = k/9

Make k the subject of the formula

k= 36*9

k =324

5 0

3 years ago

Convert to standard form. y-5=-3(x+2)

Paul [167]

Answer:

Step-by-step explanation:

y-5=3(x+2)

y-5=3x+6

y-5-6=3x+6-6

y-1=3x

7 0

3 years ago

Use the function f(x) = −16x2 + 60x + to Completely factor f(x). Pls include steps

Elodia [21]

Answer: -4x(4x - 15)

Step-by-step explanation:

f(x) = $-16x^{2}$ + 60x

y = $-16x^{2}$ + 60x

=> - ( $16x^{2}$ - 60x)

=> -4x(4x - 15)

3 0

3 years ago