# How do you solve #a+3b=7# and #2a=b-7#?

##### 1 Answer

See a solution process below:

#### Explanation:

**Step 1)** Solve the first equation for

**Step 2)** Substitute

**Step 3)** Substitute

**The Solution Is:**

May 18, 2018

See a solution process below:

**Step 1)** Solve the first equation for

**Step 2)** Substitute

**Step 3)** Substitute

**The Solution Is:**