herandylucas
herandylucas
05-02-2014
Mathematics
contestada
Substitution how do u do it??
Respuesta :
crisforp
crisforp
05-02-2014
3x-(2x+7) = -9 <=> x -7 = -9 <=> x = -2; y = 2(-2) + 7 = 3.
Answer Link
VER TODAS LAS RESPUESTAS ( 91+ )
Otras preguntas
Who founded the National Grange?
Polymers are formed by joining several units called monomers.what does the term monomer refer to? the answers are a unit made up of several compounds a unit ma
What does 56×90? what does 56 times 90 equal what does 5600 equal
provide 3 details on how civilizations develop
Which words are used as nouns in this sentence? Choose all answers that are correct. Lobsters can pinch the skin with their claws. a. pinch b. their c. skin d
A single box of thumb tacks weighed 3 1 ⁄2 ounces. If a teacher had 4 1⁄7 boxes, how much would their combined weight be?
0.001 in Standard form
A chef cooked seven kilograms of mashed potatoes for a dinner party. If the guests only ate three-quarters of the amount he cooked, how much did they eat?......
What is the definition of metabolism? maintaining stability in an organism's internal environment producing offspring that are dissimilar to the parents the
which quantity identifies an element? 1. Atomic number 2. Mass Number 3. total number of neutrons in an atom of the element 4. total number of valence electro
