This is a formula if you need one. DON'T forget to cross-multiply
3/4 = x/12
6.516 is the number in standard form
Answer:
x = 4.
Step-by-step explanation:
Distribute, isolate and solve.
The price of less expensive equipment is $1575.
Step-by-step explanation:
Let,
Price of one equipment = x
Price of other equipment = y
According to given statement;
x+y=4000 Eqn 1
x = y+850 Eqn 2
Putting Eqn 2 in Eqn 1

Dividing both sides by 2;

Putting y=1575 in Eqn 2;

The price of less expensive equipment is $1575.
Keywords: linear equation, substitution method
Learn more about linear equations at:
#LearnwithBrainly