Answer:
Step-by-step explanation:
"Two times one number added to three times a second number is 21.
2x + 3y = 21
"The second number is ten less than five times the first number"
y = 5x-10
Substitution
2x+3(5x-10) = 21
2x + 15x - 30 = 21
17x = 51
x = 3
y = 5x-10 = 5
Answer:
A = - B
Step-by-step explanation:
Given
R = x(A + B) ← divide both sides by x
= A + B ( subtract B from both sides )
- B = A
True all table does not need to include numerical data
Answer:
I need points
Step-by-step explanation:
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