Question

medal question
1. solve the equation 3m - 4 = 26
A. M = 30
B. M = 22/3
C. M = 10
D. M = 17

Answer 1

Substitute the values given for x & y in the equation. For example:
17 = 4(5)+3
17 does not equal 23 so A is not the answer

Answer 2

5 = 4(17)+ 3 no way
19 = 4(4)+ 3
19 = 16 + 3 this is true so it's the solution

Answer 3

Do the same with #2.

Answer 4

@Whiterabbit541

Answer 5

@Indivicivet

Answer 6

yes

Answer 7

@zepdrix

Answer 8

@graysondeblock

Answer 9

\[\Large\bf\sf 3m-4\quad=\quad 26\]So we want to get the m alone by itself.
We'll try to perform the opposite operation on everything that's happening on the side of the equation involving the m.

So see how we're subtracting 4 on the left side?
If we add 4 to each side, what happens?
They cancel on the left side, yes?

Answer 10

yes

Answer 11

\[\Large\bf\sf 3m-4\color{orangered}{+4}\quad=\quad 26\color{orangered}{+4}\]

Answer 12

\[\Large\bf\sf 3m\quad=\quad 30\]Ok make sense so far?

Answer 13

yea

Answer 14

Since the 3 is multiplying the m, what would be the inverse of multiplication?
How can we get rid of that 3?

Answer 15

divide

Answer 16

Good good good, let's divide each side by 3.

Answer 17

m = 10?

Answer 18

\[\Large\bf\sf \frac{3m}{3}\quad=\quad \frac{30}{3}\]

Answer 19

Yes, good job! :)