Solve by using substitution.
a =5b-4
-2a +10b = 5

Step-by-step explanation:

step 1

(a =5b-4)(-2a +10b = 5)  equation

step 2

a=5b-4  solve for a

-2a+10b=5

-2(5b−4)+10b=5

8=5

step 3

8=5 simplify

step 4

8+(-8)=5+(-8)  add -8

0=-3

There are no solutions

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.

3,750 deer

step-by-step explanation:

1,500 is 15 times larger than 100

lets make 250 15 times larger.

3750 deer