Solve this equation for x in terms of y and z:
2 answers:
Answer:
x = 5
Step-by-step explanation:
9x + 3y + 4z = 24
9x + 3(9) + 4(-12) = 24
9x + 27 + (-48) = 24
9x + 27 - 48 = 24
9x - 21 = 24
9x = 24 + 21
9x = 45
x = 45 ÷ 9
x = 5
3y = 3 * 9 = 27
4z = 4 * -12 = -48
: -48 + 27 = -21
: -21 + x = 24
: X = 45.
I hope that makes sense.
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