Algebra › Solving by adding

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Adding or subtracting on both sides of equations

CCSS.MATH.CONTENT.6.EE.B.7
Solve real-world and mathematical problems by writing and solving equations of the form x + p = q and px = q for cases in which p, q and x are all nonnegative rational numbers.

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https://schoolyourself.org/page/lti/sy/algebra/unitary-solve

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