3 years ago

Solve for b , then find the value of b when a= 3 4a=2b-7

2 answers:

7 0

4×3=2b-7
12=2b-7
+7 +7
19=2b
19÷2=9.5
2b÷2=b
9.5=b

OLga [1]3 years ago

6 0

4(3)=2b-7
12=2b-7
+7 +7
19=2b
19 divided by 2 = 9.5
2b divided by 2 = b
b=9.5

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