Answer:
x = 7.5
Step-by-step explanation:
Step 1:
3 ( x + 4 ) = 7x - 18 Equation
Step 2:
3x + 12 = 7x - 18 Multiply
Step 3:
12 = 4x - 18 Subtract 3x on both sides
Step 4:
30 = 4x Add 18 on both sides
Step 5:
x = 30 ÷ 4 Divide
Answer:
x = 7.5
Hope This Helps :)