Equations

New Zealand

Level 6 - NCEA Level 1

Write the sentence below as an equation and solve for the number. Let the variable $x$`x` represent the number.

"If $11$11 is subtracted from a number, the result is $-7$−7."

Easy

1min

Write the sentence below as an equation and solve for the number. Let the variable $y$`y` represent the number.

"The quotient of a number and $-3$−3 is $-20$−20."

Easy

1min

Vanessa is cutting out a rectangular board to construct a bookshelf.

The board is to have a perimeter of $48$48 inches, and its length is to be $3$3 inches shorter than double the width.

Easy

5min

When a number is added to both the numerator and denominator of $\frac{1}{5}$15, the result is $\frac{3}{7}$37.

Easy

2min

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Form and solve linear equations and inequations, quadratic and simple exponential equations, and simultaneous equations with two unknowns

Apply algebraic procedures in solving problems