Solve each of the following pairs of simultaneous equations by the substitution method. $y=2x-5$ \

Question

Solve each of the following pairs of simultaneous equations by the substitution method. $y=2x-5$ $x+y=10$ $x=3y+1$ $2x+y=16$ $y=4-x$ $3x-2y=12$ $x=2y-3$ $4x+y=15$

Accepted Answer

(a) $(5,5)$, (b) $(7,2)$, (c) $(4,0)$, (d) $(3,3)$.

Substitution with an isolated variable

Substitution with an isolated variable

Solution:

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