rocio5649
22.03.2021 •
Mathematics
Solve the system of equations. y = 7x - 53 y = -4x + 35 a. ( -3, -8) c. ( -8, 3) b. ( 8, 3) d. No solution Please select the best answer from the choices provided A B C D
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Ответ:
Step-by-step explanation:
[Linear System with Two Variables]
Given that:
y = 7x - 53y = -4x + 35(i) Find the value of x
Substitute the value of y in -4x + 35 with 7x - 53
Therefore we get
7x - 53 = -4x + 35-4x to the left side of "=" = + 4x
-53 to the right side of "=" = + 53
we get:
7x + 4x = 53 + 35
11x = 88
x = 8 ✅(ii) Find the value of y
y = 7x - 53
put x = 8 after the coefficient = 7
y = 7·8 - 53
y = 56 - 53
y = 3 ✅The value of (x, y) =
(8, 3) ✅Option B
#StayPositive - kexcvi
From Indonesia
Ответ:
7.10
Step-by-step explanation: