Answer:
a = 2
Step-by-step explanation:
2(a + 3) + 3(2a - 1) = 19
Distribute;
2a + 6 + 6a - 3 = 19
Collect like terms;
8a + 3 = 19
Subtract 3 from both sides;
8a = 16
Divide both sides by 8;
