Answer:
x = -21
Step-by-step explanation:
-5/4x - 2 = -1/4x + 19
subrtact the slope( constant, mx) from both sides
subtract a y-int ftom both sides
divde both sides by the remaining slope(constant or mx)
Answer:
9-x^2
Step-by-step explanation:
The difference of means subtracting. the first number is 9 and the second is x^2, so you get 9-x^2
8 and 3/10 because the 3 is in the ones place so you make that a fraction which would be 3/10. Then 8 would be a whole number. Hope this helps!
I haven't done proofs in a while, but one thing that might help is that only if two lines were parallel would angles 3 and 1 be congruent (3 is congruent to 2, which is congruent to 1, so they're all congruent to each other).
