X-4y=28
8x+4y=8
---------------
9x=36→x=4
4-4y=28→y=6
—-----------------------------------------------------------
y-5=x
4(y-5)-y=4
4y-20-y=4
3y=24
y=8
x8-5=3
Irrational numbers such as pi
Answer:
Step-by-step explanation:
8. 21+7 = 28
9. 73-17 =56
Answer:
4
Step-by-step explanation:
100 divided by 25 equals 4.
Expand the equation.
Multiply (distribute) the first numbers of each set, outer numbers of each set, inner numbers of each set, and the last numbers of each set.
Combine like terms.
Solve the equation and simplify, if needed.
