To begin solving this system of linear equations by elimination, you can add
the equations.
3x + 4y = 38
5x - 4y = -30
8x = 8
this step works because of the

see explanation

Step-by-step explanation:

Given the 2 equations

3x + 4y = 38 → (1)

5x - 4y = - 30 → (2)

Since the coefficients of the y- term are opposites then adding the 2 equations will eliminate the term in y, that is

Add (1 ) and (2) term by term

(3x + 5x) + (4y - 4y) = (38 - 30), simplifying

8x = 8 ( divide both sides by 8 )

x = 1

wheres graph

step-by-step explanation:

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step-by-step explanation:

at least i think its