She needs 7 plates because there are 7 pieces left.
Answer:
Step-by-step explanation:3520
Answer:
c. add 4 on each side and multiply by 8
Step-by-step explanation:
Answer:
<h2> (-1, 3)</h2>
Step-by-step explanation:
2x + y = 1 ⇒ y = 1 - 2x
3x - y = -6
3x - (1 - 2x) = -6
3x - 1 + 2x = -6
+1 +1
5x = -5
÷5 ÷5
x = -1
y = 1 - 2(-1) = 1 + 2 = 3
Answer:
c
Step-by-step explanation:
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