What does this equal tox= -9a: -45 = 5xb: -7x = -63c: -11 = -2 -xd: 6x = 54

step-by-step explanation:

ok so im not 100% sure but you would start by adding 5.1t and 1.9t beacuse they have the same variable. that is 7t.   then add -3.6 + 1.2 which is -2.4

so then keep that as -2.4 + 7t. i apologize if this is incorrect. best luck on your test < 3

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8