Write an equation like this...
4 - 6x = 40
x = -6

Check:
4 - (6 x -6)
4 - (-36)
* A "-" symbol and "-" symbol equal a "+" sign
So...
4 + 36 = 40

Hope this helps! :3

6 0

3 years ago

5x÷2 (x÷7)=14x-7 find x

kupik [55]

Answer:

7/4

Step-by-step explanation:

5x/2(x/7)=14x-7

35 = 28x-14

28x=35+14

x=49/28

x=7/4

8 0

3 years ago

Look at the following problem and solution given by a student: Abel, Belle, and Cindy have $408 altogether. Belle has $7 more th

sesenic [268]

A+b+c=408
a=a
b=7+a
c=5+a
a+(7+a)+(5+a)=408
3a+12=408
3a=396
a=132

Abel has $132
Belle has $139
Cindy has $137

Prove:
132+139+137=408

8 0

3 years ago

please don't tell me how to do it because i know the concept sorta, but i always get the wrong answer, are you able to tell me t

dimaraw [331]

(-3)(7^2)-7+2

(-3)(49)-7+2

-147-7+2

-154+2

-152

ANSWER:
-152

8 0

3 years ago