is456789 is456789

01-03-2017
Mathematics

contestada

y+3=x
3x+4y=16

Find the solution using the substitution method.

Respuesta :

01-03-2017

to the beginning,we know y+3=x
then,substitute x into y
=>3(y+3)+4y=16
then,to solve y
7y=16-9
y=1
so,x=y+3=4

Answer Link

Otras preguntas

What is 3 - 1.5? Please also explain!

Identify the property shown. 3p · (2 + k) = 6p + 3pk A. transitive B. associative C. commutative D. distributive

What is the formula for ANOVA

Solve by using the perfect squares method. x2 + 16x + 64= 0 a. –8 b. –16 c. 8 d. 16

what is 7/12 divided by 14/15 in simplest form

What role did the military play in many Latin American countries during the 1920s and 1930s? Use specific examples to support your answer.

Given the balanced equations representing two chemical reactions:Cl2 + 2NaBr ---> 2NaCl + Br2 2NaCl---> 2Na + Cl2 Which types of chemical reactions are re

In which type of reaction do two lighter nuclei combine to form one heavier nucleus? (1) combustion (3) nuclear fission (2) reduction (4) nuclear fusion

What is the chemical formula for iron(III) oxide? (1) FeO (3) Fe3O (2) Fe2O3 (4) Fe3O=

Which one of the following clue words indicates chronological order? A. Next B. Reason C. Also D. Similar