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just use the PEMDAS system. p-parenthesis e-exponents m-multiplication d-division a-adding s-subtracting

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Q: How do you solve 3 step equations with parentheses?
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Steps of how to solve a system of equations by substitution?

Step one is by expressing one of the equation into one term that is taking one unknown in the form of other. Step two is replacing the unknown into equation 2. Step 3 is replacing the found unknown into one of initial equations to find the other unknown.


How do you solve linear equations by using elimination?

You multiply one or both equations by some constant (especially chosen for the next step), and add the two resulting equations together. Here is an example: (1) 5x + 2y = 7 (2) 2x + y = 3 Multiply equation (2) by -2; this factor was chosen to eliminate "y" from the resulting equations: (1) 5x + 2y = 7 (2) -2x -2y = -6 Add the two equations together: 3x = 1 Solve this for "x", then replace the result in any of the two original equations to solve for "y".


How do you solve a multi step equation?

3(2x-4)=2(4x+3)


Solve -3 parentheses x plus 1 close parentheses equals 2 parentheses x minus 8 close parentheses plus 3?

Solve: 3(x+1) = 2(x-8) + 3 First, remove the parentheses by distributing (multiplying out the numbers): 3x + 3 = 2x - 16 + 3 Then, combine any like terms on the same side of the equals sign; 3x + 3 = 2x -13 Then, move the like terms on opposite sides of the equals sign to the same side of the equals sign (don't forget to change the signs). 3x -2x = -13 - 3 Then combine the like terms on the same side of the equals sign again. x = -16 The last step is always to check the answer to make sure the it is correct. So, start with the original equation, but substitute in the value for x that we just found: 3(x+1) = 2(x-8) + 3 3(-16+1) = 2(-16-8) + 3 3(-15) = 2(-24) + 3 -45 = -45 So the answer is correct!


What does it mean when a number is in parentheses in math?

It means you have to solve the problem in parentheses first. ex: 2X4+5= 13; 2X (4+5) = 18. The answer is different because you have to solve the problem in the Order of Operations. 1) Parentheses 2) Exponents like 22 3) Multiplication 4) Division 5) Addition 6) Subtraction PEMDAS or Please Excuse My Dear Aunt Sally.