RealStephani
16.04.2021 •
Mathematics
4 × 1 + 3 × 1/10 + 9 x 1/1,000 in word form
Plsss 15 points :)
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Ответ:
four multipled by one plus three multiplied by one tenth plus 9 multiple by one one thousandth
Ответ:
(1, 1 )
Step-by-step explanation:
Given the 2 equations
2x - 4y = - 2 → (1)
3x + y = 4 → (2)
Multiplying (2) by 4 and adding the result to (1) will eliminate the y- term
12x + 4y = 16 → (3)
Add (1) and (3) term by term to eliminate y
14x + 0 = 14
14x = 14 ( divide both sides by 14 )
x = 1
Substitute x = 1 into either of the 2 equations and solve for y
Substituting into (2)
3(1) + y = 4
3 + y = 4 ( subtract 3 from both sides )
y = 1
solution is (1, 1 )