Equations

The sum of $8$8 and $12x$12`x` is equal to $92$92.

By constructing an equation, find the value of $x$`x`.

Easy

Approx a minute

John and Uther do some fundraising for their sporting team. Together they raised $403$403 dollars. If John raised $m$`m` dollars, and Uther raised $71$71 dollars:

The product of $5$5 and the sum of $x$`x` and $7$7 equals $50$50.

Construct an equation and find the value of $x$`x`.

The $5$5th multiple of the difference of $5$5 from $x$`x` is equal to $-15$−15.

Construct an equation and find the value of $x$`x`.

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Solve first-degree equations involving one variable, including equations with fractional coefficients