Question 1

Given that $-5(-5a + 1) = 1$, find $a$.

Accepted Answer

$a=\frac{6}{25}$

Answer

$a=-\frac{4}{5}$

Answer

$a=-\frac{6}{25}$

Question 2

Solve $-4(-4a + 1) = 3(-4a + 3)$.

Accepted Answer

$a=\frac{13}{28}$

Answer

$a=-\frac{13}{28}$

Question 3

Mrs Tan cut a loaf of bread into $x$ equal pieces and gave 2 pieces to Olivia. It is given that there are 10 pieces of bread left. Find the value of $x$.

Accepted Answer

$x=12$

Answer

$x=8$

Question 4

Andy has 10 lollipops at first.  He buys another a lollipops.  If he has $2a$ lollipops in the end, find the value of $a$.

Accepted Answer

$a=10$

Answer

$a=5$

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