Martin wrote 1,207 as 700+490+17. Explain how to find the answer using the number broken apart in this way.
2 answers:
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Answer:
x = + 4
Step-by-step explanation:
3x = 5m +15 - 3
3x = 5m + 12
x = +
=
+ 4
Decrease = New number - Original Number
% Decrease =
× 100
Decrease = 9 - 12 = -3
% Decrease =
= -0.25 × 100 = -25
Your answer = -25
% Decrease =
Decrease = 9 - 12 = -3
% Decrease =
Your answer = -25
Answer:
{}
Step-by-step explanation:
The given system of equations is;
and
We rewrite the equations in the standard form to get:
We now substitute equation (3) into equation (4) to get:
Group similar terms:
Divide both sides by 2
This implies that:
Therefore the solution set is:
{}