Solve the equation.

3x - 2 = x + 10

Mathematical Equivalence

ON

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8.EE. 7

Sandy is upgrading her Internet service. Fast Internet charges $60 for installation and $50.45 per month. Quick Internet has free installation but charges $57.95 per month.

The equation that represents this scenario is 60 + 50.45x = 57.95x

• True.

• False.

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8.EE. 7

Distribute and simplify the following expression.

-3(2 - 4w) + (-11w)

• -6 + 12w + 11w

• w - 6

• -6 + -w

• -6 + 12w - 11w

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8.EE. 7

Choose all of the following options that are possible first steps when solving

2(10 + 12x) = 3 + 9x

• Subtract 3 from both sides of the equation

• Distribute the 2 inside the parentheses to 12x

• Subtract 9x from the right side only

• Distribute the 2 inside the parentheses to 10

• Divide by 2 on both sides

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8.EE. 7

Simplify and tell whether the equation has one, zero or infinite solutions.

2(3x - 6) = -12 + 6x

• x = 4; One Solution

• x = -x; No Solution

• 0 = 0; Infinite Solutions

• x = 0; One Solution

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8.EE. 7

Fill in the blank with the proper answer choice that will result in the equation having no solution.

8x ​ (a)   = 8x - 6​

• -6
• -8
• 8x
• -8x

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8.EE. 7