Use substitution to solve the following system of equations.-3x - 4y = 2−3x−4y=2minus, 3, x, minus, 4, y, equals, 2-5 = 5x + 5y−5=5x+5y

The solution to this system is (-2,1)

Step-by-step explanation:

The given system of equations is;

...eqn1

and

....eqn2

We make y the subject of the second equation to get:

...eqn3

We put eqn3 into eqn1 to get;

We expand to get:

Simplify both sides to get:

Put x=-2 into eqn3

The solution to this system is therefore (-2,1)

c. 16 units

step-by-step explanation:

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