Answered

Uncover valuable information and solutions with IDNLearn.com's extensive Q&A platform. Our experts are ready to provide prompt and detailed answers to any questions you may have.

y=3x-5
3y-12x=-6
Substitution method

Sagot :

HeyDBidn
Replace all occurrences of y with the solution found by solving the last equation for y. In this case, the value substituted is 3x−5.
y=3x−5 
3(3x−5)−12x=−6

Simplify each term.
y=3x−5 
9x−15−12x=−6

Add 9x and −12x to get −3x.
y=3x−5 
−3x−15=−6

move -15 to the right-hand side of the equation by adding 15 to both sides.
y=3x−5 
−3x=15−6

Subtract 6 from 15 to get 9.
y=3x−5 
−3x=9

Simplify

(−3,−14)
Panoyinidn
1y =  3x - 5    ⇒ 1y -  3x = - 5 ⇒ 3y +  9x = 15
3y - 12x = -6 ⇒ 3y - 12x =   6 ⇒ 3y - 12x =   6
                                                           21x = 21
                                                            21     21
                                                               x = 1
                                                      y - 3(1) = -5
                                                          y - 3 = -5
                                                             +3   +3
                                                               y = 2
                                                         (x, y) = (1, 2)
                        
We value your participation in this forum. Keep exploring, asking questions, and sharing your insights with the community. Together, we can find the best solutions. Thank you for choosing IDNLearn.com. We’re dedicated to providing clear answers, so visit us again for more solutions.