4.16=416/100
416/100=4•104/4•25
=104/25
4.16=104/25
The sum of 8 times a number and 7.....sum means add
8n + 7
is twice the number...is means equals
= 2n
so we have : 8n + 7 = 2n
Answer
Our two equations are:
+=16(1)
=55(2)
Rewriting equation (1) in terms of just = something, we get:
=16−
Substituting this into equation (2) leaves us:
(16−)=55
16−2=55⟹=5 or 11
which can be easily seen by factoring or using the quadratic formula. It follows that =11|=5 and =5|=11.
Thus your solutions in terms of (,) are (5,11) and (11,5).
Step-by-step explanation:
Answer:
y =5
Step-by-step explanation:
Let's solve your equation step-by-step.
4(2y−3)+12=40
Step 1: Simplify both sides of the equation.
4(2y−3)+12=40
(4)(2y)+(4)(−3)+12=40(Distribute)
8y+−12+12=40
(8y)+(−12+12)=40(Combine Like Terms)
8y=40
8y=40
Step 2: Divide both sides by 8.
8y
8
=
40
8
y=5
Answer:
y=5