Answer:
30
Step-by-step explanation:
work in reverse:
10+7=17
17-12=5
5×7=35
35-5=30
When matrices are equal, corresponding terms are equal.
... 5x - 8 = 2
... 5x = 10 . . . . . . . . add 8
... x = 2 . . . . . . . . . divide by 5
Answer:
(2.4)(10)−4
=20
Step-by-step explanation:
1.)
10/15 ÷ 5
= 2/3
2.)
7/21 ÷ 7
= 1/3
Answer:
The 1st error that Carlos made was in Step 2...
In step 2 , Carlos multiplied 14 only with 40. If he would have multiplied 14 with both 40 & 9 , then it could have been alright.....