SOLUTION: Solve the system of equation by the method of substitution.
y=7x
4x - y = -12
Algebra.Com
Question 995752: Solve the system of equation by the method of substitution.
y=7x
4x - y = -12
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
.......eq.1
.......eq.2
----------------------------------substitute for in eq.2
.......eq.2....solve for
......both sides multiply by
go back to eq.1,substitute for
.......eq.1
solution to this system:
and
it means given lines intersect at point (,)
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