Equation 7848

Solve the equation with the unknown a: 3 (2a + 1) = (a-3) • 4-5

Correct answer:

a =  -10

Step-by-step explanation:


3 (2a+1) = (a-3) · 4-5

3·(2·a+1) = (a-3) · 4-5

2a = -20


a = -20/2 = -10

a = -10

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