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:
<em>Answer</em><em> </em><em>is</em><em> </em><em>given below with explanations</em><em>. </em>
Step-by-step explanation:

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Answer:
x=15
Step-by-step explanation:
(10*9)/6=10*x/10
90/6=x
15=x
Answer:
y=4x-5
Step-by-step explanation:
y-y1=m(x-x1)
y-3=4(x-2)
y=4x-8+3
y=4x-5
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