-7x - 2y = 14
6x + 6y = 18
x =
y =
1 answer:
Answer:
6(2) + 6(1) = 18
Step-by-step explanation:
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The top 3 already given.
<u>Solving the rest:</u>
<h3>4. </h3>
- Added 1 to both sides ⇒ (1) Addition property of equality
<h3>5.</h3>
- If a = b and b = c, ten a = c ⇒ ( 9 ) Transitive property
<h3>6.</h3>
- The w is substituted with 1 ⇒ ( 6 ) Substitution property
<h3>7.</h3>
- Both sides multiplied by 2 ⇒ ( 3 ) Multiplication property
<h3>8.</h3>
- Both sides divided by 2 ⇒ ( 4 ) Division property
<h3>9</h3>
- Parenthesis opened ⇒ ( 5 ) Distributive property
I’m pretty sure d, but not sure sorry
So 4.75 times 42= 199.5 so take 240-199.5= 40.5 so he is correct
Hope this helps
Perimeter=Side a+Side b+Side c
Answer:
Step-by-step explanation:
the formula for common difference is
d = aₙ - aₙ₋₁
So,
d = a₂-a₁ = a₃-a₂
d =7-14 & d=0-7
d = -7 & d = -7
