ladyivory26
ladyivory26
22-05-2016
Mathematics
contestada
-x+y=4 3x-2y=-7 substitution
Respuesta :
BreannaK
BreannaK
22-05-2016
-x+y=4 add x to both sides to get y=x+4 Plug x+4 into the equation for y to get 3x-2(x+4)=-7 Distribute to get 3x-2x-8=-7 Add 8 to both sides to get 3x-2x=1 Subtract 3x-2x to get x=1 the answer is 1
Answer Link
VER TODAS LAS RESPUESTAS ( 22+ )
Otras preguntas
Landon mars, the company bookkeeper, recorded the $10,000 purchase of land as rent expense by decreasing cash and decreasing shareholders' equity. what is the e
How does muir respond to his time in the swamp?
Mark's gospel includes many Jewish parables. True or False
Explain why high blood pressure is a health concern?
The hormone epinephrine is released into the blood and travels to the lungs where it increases function. Which organ systems are involved in this scenario? circ
Please help me with questions 7
2.Which would take more work: lifting a 4 N box 0.5 m or a 1 N box 4 m? Explain your answer.
Rewrite the expression 7x^4+x+14/x+2 in the form q(x)+r(x)/b(x)
Need help please fast.
The price of a wrist watch has decreased from $50 to $30.What is the percentage decrease in the price of the wrist watch
