Let's simplify both expressions step by step.
For the first expression:
\[ 5(a - 2) + 2 + 3a \]
-
Distribute \(5\) in the first term: \[ 5a - 10 + 2 + 3a \]
-
Combine like terms: \[ 5a + 3a - 10 + 2 = 8a - 8 \]
So, the simplified form of the first expression is: \[ 8a - 8 \]
For the second expression:
\[-8(-5r + 7) + 7(7r + 1)\]
-
Distribute \(-8\) and \(7\): \[ 40r - 56 + 49r + 7 \]
-
Combine like terms: \[ 40r + 49r - 56 + 7 = 89r - 49 \]
So, the simplified form of the second expression is: \[ 89r - 49 \]
Final Answers:
-
The first expression simplifies to:
\[ 8a - 8 \] -
The second expression simplifies to:
\[ 89r - 49 \]