175k views
11 votes
What number does x stand for in this equation?

- 7x + 6= 27
A
21
B
2
C-3
D-7

User Shivan
by
2.8k points

2 Answers

12 votes

Answer:

The answer is C

Pay attention, here's why.

Explanation:

Let's solve your equation.

−7x+6=27

Step 1: Subtract 6 from both sides.

−7x+6−6=27−6

−7x=21

Step 2: Divide both sides by -7.

−7x /−7 = 21/ −7

x=-3

User Jjrr
by
3.2k points
12 votes

Answer:

c. -3

Explanation:

- 7x + 6= 27 [subtract 6 from both sides]

-7x = 21 [divide by -7 to isolate x]

x = -3

User Vishal Vijay
by
3.3k points