IGCSE /Grade 10
Maths MCQ Based On Solving simultaneous equations using substitution
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IGCSE Grade 10 Maths Solving simultaneous equations using substitution
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Isolate x from one equation and out in another equation.
A negative exponent indicates taking the reciprocal of the base raised to the positive exponent.
When using substitution, solve one equation for one variable and substitute it into the other equation. This allows you to eliminate one variable and solve for the other.
Substitute the known value of x from the first equation to another equation.
When dividing numbers with the same base, subtract the exponents.
Remember to apply the exponent to both the base inside the parentheses and the exponent outside the parentheses
Extract the value of x from one equation and put it in another.
Isolate x from the first equation and put it in the second equation.
Extract the value of x from one equation and put it in another to find values of x and y.
To solve the system of equations using substitution, we can start by solving one equation for one variable and substituting it into the other equation
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