4(x + 5) – 13x = 263 step by step .
2 answers:
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Answer:
The x-coordinate of the solution of the system is x=14.4
Step-by-step explanation:
<u><em>The question is</em></u>
What is the x-coordinate of the solution of the system of equations?
we have
----> equation A
---> isolate the variable y
----> equation B
Solve the system by substitution
substitute equation B in equation A
solve for x
Apply distributive property
Combine like terms left side
subtract 72 both sides
Divide by 5 both sides
therefore
The x-coordinate of the solution of the system is x=14.4