Forming and Solving Equations

Write an equation for each of these, use 'n' for the unknown number.

I think of a number. I subtract 7. The answer is 16.

I think of a number "h". I divide it by 9. The answer is 4.

Write an equation for each of these, use 'n' for the unknown number.

I think of a number "c". I multiply it by 3 and the answer is 18.

Bianca bought "x" bags of sweets at $1 each and a drink for 2$. The total cost was $6.

Tags

CCSS.HSA.CED.A.3

When Ana doubles her number "x" and then adds 4, she gets an answer of 30.

Tags

CCSS.HSA.CED.A.3

Sian bought "y" CDs for $11 each and a case for $4. The total cost was $25 (y is the number of CDs bought).

Tags

CCSS.HSA.CED.A.3

Write an equation for..

Two different numbers a and b, add to 11.

Tags

CCSS.HSA.CED.A.3

Write an equation for..

The difference between two numbers, x and y, is 12

Tags

CCSS.6.EE.C.9

Write an equation for..

Janna and Eugene have a total of $20, Janna has $13 and Eugene has $y.

Tags

CCSS.HSA.CED.A.3

Write an equation for..

Victoria and Edward have a difference of $120 in their bank accounts. Victoria has $x and Edwards had $30.