Answers edited by Aswin K.
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How do you solve
7(6-3k)=147
?
How do you simplify
\frac { 15} { 4x ^ { 2} } \times \frac { 28x } { 45}
?
How do you solve
8/11 - 2/5
?
How do you solve
\frac { 7} { 10} + \frac { 8} { 10}
?
How do you evaluate
12\frac { 1} { 4} \div 3\frac { 1} { 2}
?