In algebra, we often get very long expressions that we need to make simpler. Simpler expressions are easier to solve.
To simplify an expression, we collect like terms.
Look at the expression: 4x + 5x -2 - 2x + 7
So 4x + 5x -2 - 2x + 7 simplified is 7x + 5.
Remember that terms are separated by + and - signs, and these are always attached to the front of a term.
Simplify this expression: x + 5 + 3x- 7 + 9x+ 3 - 4x
To work it out:
Answer: x + 5 + 3x - 7 + 9x + 3 - 4x can be simplified to 9x + 1
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