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Nostrana [21]
3 years ago
5

When 4a-9b=22 and b= -2, what is the value of a? A.-10/3 B.-14/9 C.1 D.4 E.10

Mathematics
2 answers:
ycow [4]3 years ago
7 0

4a-9b=22

substitute b=-2

4a -9(-2) = 22

4a +18 =22

subtract 18 from each side

4a = 4

divide by 4

a =1

Choice C

IRISSAK [1]3 years ago
5 0

Answer:

a=1

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

4a+18=22

Step 2: Subtract 18 from both sides.

4a+18−18=22−18

4a=4

Step 3: Divide both sides by 4.

4a /4 = 4 /4

a=1

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