Multiply the first bracket by 5
Multiply the second bracket by 5
5(x + 1) = 5(x + 5) − 15
5x+5=5x+25-15
5x+5=5x+10
Move +5 to the other side. Sign changes from +5 to -5
5x+5-5=5x+10-5
5x=5x+5
Move 5x to the other side. Sign changes from +5x to -5x
5x-5x=5
0=5 ( No solution)
Answer: No solution
