Grouping like terms.
If the unknown term on the left hand side has a negative sign, we move it to the right hand side next to the other unknown. If there were any constant terms on the right hand side, then we would move them to the left hand side of the equation.
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If the unknown term on the left hand side has a negative sign, we move it to the right hand side next to the other unknown. If there were any constant terms on the right hand side, then we would move them to the left hand side of the equation.
If the unknown term on the left hand side has a negative sign, we move it to the right hand side next to the other unknown. If there were any constant terms on the right hand side, then we would move them to the left hand side of the equation.
If the unknown term on the left hand side has a negative sign, we move it to the right hand side next to the other unknown. If there were any constant terms on the right hand side, then we would move them to the left hand side of the equation.
If the unknown term on the left hand side has a negative sign, we move it to the right hand side next to the other unknown. If there were any constant terms on the right hand side, then we would move them to the left hand side of the equation.
If the unknown term on the left hand side has a negative sign, we move it to the right hand side next to the other unknown. If there were any constant terms on the right hand side, then we would move them to the left hand side of the equation.
If the unknown term on the left hand side has a negative sign, we move it to the right hand side next to the other unknown. If there were any constant terms on the right hand side, then we would move them to the left hand side of the equation.