4x + y = -24
y + 2x = -8
How would I solve by substitution step by step?

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

What are the domain and range of the function f(x)=2^x+1