So your saying X=8. so you would 7*8 and 7*1 then you add 7*8=56 so
56+7= 63
Answer:
Y-intercept
Step-by-step explanation:
System of equations subtraction method
In the addition/subtraction method, the two equations in the system are added or subtracted to create a new equation with only one variable. ... Substitute the variable back into one of the equations and solve for the other variable. Check the solution--it should satisfy both equations.
