Question

10x+3y=75 and 6x-5y=11 by elimination method

Answer 1

10x+3y=75

6x-5y=11

60x+18y=450

60x-30y=66

SOLVE.

x=18y+450/60

PLUG INTO SECOND EQUATION!!!

60(18y+450/60) -30y=66

18y+450-30y=66

COMBINE LIKE TERMS

-12y=384

y=32

PLUG TO X

x=18*32+450/60

x=17.1

y=32

x=17.1

Am I correct?