Answer:
Linear equations are used to calculate measurements for both solids and liquids. An electrical engineer, for example, uses linear equations to solve problems involving voltage, current and resistance.
Step-by-step explanation:
<span>3(7x+ 1) = 21
21x + 3 = 21
21x = 18
x = 6/7
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Answer:
A
Step-by-step explanation:
A. The constants a, b, and c must be real numbers with a not ever equal to zero.
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Answer:
y = -6
Step-by-step explanation:
y = mx + b
-6 = -5(0) + b
b = -6
