The equal symbol (=) connects the two sides of the equation expression. 2x+1 is the left-hand side (LHS) of the equation, and 9 is the expression's right-hand side (RHS). The LHS value is equal to the RHS of the expression, as shown by the equal sign between LHS and RHS.
It is not an equation when 10x + 63 > 10. The expression's sign between the LHS and RHS in this case is not equal. We can therefore claim that not every expression is an equation. Linear inequalities are a class of expressions that fit this description.
- 3x + (4 -1) = 4x
- 3x - 4x = - 3
3x + 4x = 3
7x = 3
3/7 = x
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3(6x+2)-18x=12 (y=6x+2, so you plug in 6x+2 into the y in 3y-18x=12) 18x+6-18x=12 (Then you distribute the 3 to the 6x and to the 2) 6=12 (Combine like terms 18x-18x)
There is no solution. Hope this helps and makes sense.
