7x = 42
so x = 42/7 and therefore x = 6
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7x=42 x=42/7 or, x=6
294 divided by 42 would equal 7.A simple way to work this out is to multiply 42 by 7, which equals 294. If you're unsure of the product, you can simply test it by dividing it by 42 to see if it equals 7.
7 times 6 = 72
A 2-step equation that equals 13 could be: 2x + 7 = 13. To solve this equation, first subtract 7 from both sides to isolate the variable: 2x = 6. Then, divide both sides by 2 to solve for x: x = 3. Therefore, when x = 3, the equation 2x + 7 equals 13.
You cannot solve one linear equation in two unknown variables.