1.x+4y- - 67 =-1
x+4y+67=-1
x+4y=-1-67
X+4y=-68
2.2x-y+2z=-7
2x=-7+y-2z
x=-7/2+1/2y-z
x=-7/2+1/2y-z, y€R, z€R
Warning: I don’t have the € and R
3.-x+2y- -43=5
-x+2y+43=5
-x+2y=5-43
-x+2y=-38
x-2y=38
Hope this helps!
Please mark me brainliest if possible
Answer:7/6
Step-by-step explanation:
divide both 35 & 30 by 5 since it’s their greatest common factor.
that would get u 7/6
<span>1/12+3/8y=5/12+5/8y
</span><span>3/8y- 5/8 y = 5/12- 1/12
-2/8y = 4/12
-1/4y = 1/3
y = 1/3 *(-4)
y = - 4/3</span>
Answer:
A
Step-by-step explanation:
multiplication is the inverse of division and subtraction is the inverse of addition