x+5=4(x+5) x+10=3(x+10)

x+5=4(x+5) x+5=4x+20 -3x=15 x=-5 x+10=3(x+10) x+10=3x+30 -2x=20 x=-10

1) x+5=4(x+5) x + 5 = 4x + 20 3x = 5-20 3x = -15 x = -5 2) x+10=3(x+10) x + 10 = 3x + 30 2x = 10 -30 2x = -20 x = -10

x+5=4(x+5) x+5=4x+20 x-4x=20-5 -3x=15 I:(-3) x=-5 x+10=3(x+10) x+10=3x+30 x-3x=30-10 -2x=20 I:(-2) x= -10