Which of the following equations has a solution of x = -5?
2 answers:
Answer:
B
Step-by-step explanation:
16(-5) - 7 = 11(-5) - 32
-80 - 7 = -55 - 32
-87 = -87
-4(-5) - 10 = 2(-5) + 20
-30 ≠ 10
Answer:
c. Both A and B
Step-by-step explanation:
Let's solve the equations to find out.
Equation A
16x - 7 = 11x - 32
5x - 7 = -32
5x = -25
x = -5
So, Equation A has a solution of x = -5.
Equation B
-4x - 10 = 2x + 20
-6x - 10 = 20
-6x = 30
x = -5
And so does Equation B.
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