Question

solve 3x +10y =15
pelase solve it​

Answer 1

• 3x+15-10y

• x=[15-10y] divide by3
• [15-10y ] divide by 3 +10y=15
• 15-10y+30y=15*3
• 20y-15=45
• 20y=60
• y=3
• 3x+10*3=15
• 3x+30=15
• 3x=15-30=-15
• x=-5