-46 = 3x + 7x
3+3x+7x=13 3x+7x=10 10x=10 x=1
3x+7x+3+y= 10x+3+y
8+7x = 20+3x 7x-3x = 20-8 4x = 12 x = 3
simplify it, 7x-12=x+2+2x-3x 7x=2+12+3x-3x 7x=14 x=2
7x-4020+3x= 7x+-4020+3x= 7x+3x+-4020= 10x+-4020= 10x-4020
-46 = 3x + 7x
3+3x+7x=13 3x+7x=10 10x=10 x=1
3x+7x+3+y= 10x+3+y
8+7x = 20+3x 7x-3x = 20-8 4x = 12 x = 3
simplify it, 7x-12=x+2+2x-3x 7x=2+12+3x-3x 7x=14 x=2
7x - 9 = 3x + 5 7x - 3x - 9 = 5 7x - 3x = 5 + 9 4x = 14 x = 14/4
7x + 16 = 3x + 4 4x = -12 x = -3
3x - 2y + 7x + 4y = 3x + 7x - 2y +4y = (3+7)x + (-2+4)y = 10x + 2y
3x + 4x = 7x
56xy + 2y + 3x
3x + (-2 + 4x) = -2 + 7x