Piyush is faster because he goes 5 miles per hour
Answer:
(8) 
and 
(9) 
and 
(10) 
and 
Step-by-step explanation:
Given [Missing from the question]
Required
Write a system of linear equations
The solutions to this question is open and have different solutions
Solving (8) (-6,-2)
Let the equations be: x + y and 2x - y
--- (1)
-- (2)
So, the equations are:
and
Solving (9) (-12, 18)
Let the equations be: 3x - y and 4x + y
So, the equations are:
and
Solving (9): (2,0)
Let the equations be: x + y and x - y
So, the equations are:
and
Isn't it 1.4 because I'm thinking its 1,400 and 1.2 is 1,200
Hope it helped have a great day
⇒ We start by multiplying out the bracket and this property is called
DISTRIBUTIVE property
⇒ from here the next step is simplifying by collecting like terms
⇒ The simplifying process is the application of
COMMUTATIVE property since this property allows us to 'group' the like terms together. In other words, this property allows us to move the
next to the
.
⇒ This what actually happened when we simplify
, we work out the sum of
and the answer is multiplied back to
. This is called the
ASSOCIATIVE property as we 'associating' the constant of the like terms.
⇒ Adding 10 on both sides to eliminate
on the left hand side of equation
Hence, the steps are
STEP 1
STEP 4
STEP 2
STEP 3
STEP 5
