On the bottom left, the answer is subtraction property of equality because you need to subtract 4x to the 7x to simplify the equation.
Answer:
x=90/7
Step-by-step explanation:
7x=90
x=90/7
Answer:
x = - 5
Step-by-step explanation:
5x + 23 = - 2x - 12 ( add 2x to both sides )
7x + 23 = - 12 ( subtract 23 from both sides )
7x = - 35 ( divide both sides by 7 )
x = - 5
The equation would be:
3.50 + 0.15x
x represents each 'late day'
18 boys represents the boys
