Solve for x, y, z
z=5
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45\times 5+x=7\times 7
Consider the first equation. Multiply both sides by 7.
225+x=7\times 7
Multiply 45 and 5 to get 225.
225+x=49
Multiply 7 and 7 to get 49.
x=49-225
Subtract 225 from both sides.
x=-176
Subtract 225 from 49 to get -176.
x=-176 y=5 z=5
The system is now solved.
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